Professional Tax in Assam is governed by the Assam Professions, Trades, Callings and Employments Taxation Act, 1947 (Assam Act VI of 1947), one of the oldest state-level professional tax statutes in India. The Commissionerate of Taxes, Government of Assam administers this tax.
The Government of Assam revised the salaried class PT slabs effective April 1, 2025, raising the exemption threshold from Rs 10,000 to Rs 15,000 per month and simplifying the structure to three slabs. This guide covers the revised slabs, self-employed categories, registration, payment, penalties, exemptions, and compliance requirements for employers operating in Assam.
Revised Salaried Employee Slabs (Effective April 1, 2025)
The Government of Assam amended the Professional Tax structure for salaried individuals under the Assam Professions, Trades, Callings, and Employments Taxation Act, 1947, effective April 1, 2025.
Tax Rate Chart
Assam PT Slabs: Salaried Employees (Revised April 2025)
Monthly deduction rates. Employers must deduct and deposit by the 28th of the following month.
Monthly salary up to Rs 15,000
No Professional Tax
Rs 15,001 to Rs 25,000
Rs 2,160 per year
Above Rs 25,000
Rs 2,496 per year
Key changes from April 2025:
- Exemption threshold raised from Rs 10,000/month to Rs 15,000/month
- Previous Rs 150/month slab (Rs 10,001 to Rs 15,000) has been removed
- Rates for Rs 15,001 to Rs 25,000 (Rs 180/month) and above Rs 25,000 (Rs 208/month) remain unchanged
- Simplified from four slabs to three slabs
The maximum annual PT for salaried employees is Rs 2,496 (Rs 208 x 12 months), which is within the constitutional ceiling of Rs 2,500 per annum under Article 276(2).
Previous Salaried Employee Slabs (Before April 2025)
For reference, the slab structure that applied before the April 2025 revision:
Tax Rate Chart
Assam PT Slabs: Salaried Employees (Before April 2025)
Historical rates. Replaced by the revised slabs effective April 1, 2025.
Monthly salary up to Rs 10,000
No Professional Tax
Rs 10,001 to Rs 15,000
Rs 1,800 per year
Rs 15,001 to Rs 25,000
Rs 2,160 per year
Above Rs 25,000
Rs 2,496 per year
Employers who have not updated their payroll systems since April 2025 should verify that the Rs 150 slab has been removed and employees earning up to Rs 15,000/month are no longer subject to PT deduction.
Self-Employed Professional Tax: Schedule I Categories
The Act prescribes Professional Tax rates for self-employed persons through Schedule I, which lists 20 categories of professions, trades, callings, and employments with annual tax rates ranging from Rs 250 to Rs 2,500.
| Category | Annual PT |
|---|---|
| Dealers including factory and mill owners (under Assam Sales Tax law) | Rs 250 to Rs 2,500 (based on turnover) |
| Factory occupiers (non-dealers) | Rs 2,500 |
| Shop and establishment employers (under Assam Shops and Establishments Act, 1971) | Rs 250 to Rs 2,500 |
| Transport vehicle permit holders (under Motor Vehicles Act, 1988) | Rs 2,500 |
| Banking organisations (under Banking Regulation Act, 1949) | Rs 2,500 |
| Company directors | Rs 2,500 |
| Medical practitioners (MBBS, BDS, BAMS, BHMS and above) | Rs 2,500 |
| Legal practitioners (enrolled advocates) | Rs 2,500 |
| Chartered Accountants, Company Secretaries, Cost Accountants | Rs 2,500 |
| Architects, Engineers, Technical Consultants | Rs 2,500 |
| Principal Agents, Chief Agents, Surveyors (under Insurance Act, 1938) | Rs 2,500 |
| Commission agents, brokers, auctioneers | Rs 2,500 |
| Professional and technical consultants (management, tax, actuaries) | Rs 2,500 |
Maximum annual PT for any self-employed category: Rs 2,500 (constitutional ceiling under Article 276(2)).
Self-employed persons must obtain an Enrollment Certificate by submitting Form II to the assessing authority. Payment is due annually, not monthly.
Registration and Enrollment
Employer Registration (PTRC)
Every employer who employs persons liable to PT must register with the Commissionerate of Taxes:
- Apply in Form I to the assessing authority
- Upon verification, receive Certificate of Registration in Form IA
- Registration can be done online via comtax.assam.gov.in
- Documents required: PAN, certificate of incorporation, employee details, business address proof
Self-Employed Enrollment (PTEC)
Self-employed professionals and business owners must enroll separately:
- Submit Form II to the assessing authority
- Receive an Enrollment Certificate upon approval
- Enrollment is required before the PT payment due date
Both registration and enrollment processes are available through the Commissionerate of Taxes online portal.
Payment Due Dates and Compliance Calendar
Tax Rate Chart
Assam PT Payment Deadlines
Employers deposit monthly; self-employed pay annually.
Employer monthly deposit
Deduct from salary, deposit to government
Self-employed (enrolled before May 31)
Annual payment
Self-employed (enrolled after May 31)
From enrollment date
Compliance Calendar for Employers
| Month | Action |
|---|---|
| Every month | Deduct PT from employee salaries based on revised slabs |
| By 28th of following month | Deposit deducted PT with the Commissionerate of Taxes |
| Annually | File Professional Tax return in the prescribed form |
Penalties for Non-Compliance
The Act prescribes penalties for late payment and non-compliance:
- Late payment penalty: 2% per month on the outstanding tax amount
- Complete non-payment: Penalty of up to double the total payable PT
- Show cause process: The assessing authority serves a notice requiring the person to show cause for non-payment and provides a reasonable opportunity to be heard before imposing penalties
- Notice of demand: If the authority is satisfied that tax is payable but remains unpaid, a notice of demand is issued requiring payment within fifteen days
For an employee paying Rs 208/month, a one-month delay attracts Rs 4.16 in penalty (2% of Rs 208). For self-employed persons paying Rs 2,500 annually, the penalty is Rs 50 per month of delay.
Exemptions
The following categories are exempt from Professional Tax in Assam:
- Members of the Armed Forces of India
- Persons notified by the Assam Government in the public interest
- Cultural, literary, or sports pensioners (even if engaged in another profession, trade, or employment)
- Societies providing education to persons with physical or mental disabilities
- Salaried employees earning up to Rs 15,000/month (effective April 1, 2025)
Employers must verify employee exemption status before excluding them from PT deduction. Documentary proof (such as armed forces service certificate or pension certificate) should be maintained in the employee file.
Income Tax Deduction: Section 16(iii)
Professional Tax deducted from salary is fully deductible under Section 16(iii) of the Income Tax Act, 1961. This deduction is available under both the old and new income tax regimes.
For an employee in the highest slab, the annual PT of Rs 2,496 reduces taxable salary income by the same amount. While the tax saving is modest (Rs 2,496 x applicable tax rate), the deduction applies automatically when PT is deducted by the employer.
Self-employed professionals can claim PT paid as a business expenditure under Section 37(1). For detailed guidance on salary tax deductions, see our guide on TDS on salary.
Assam vs Other Northeast and Eastern States
Assam is the only major northeastern state that actively levies Professional Tax. Here is how it compares with nearby states:
| Parameter | Assam | West Bengal | Jharkhand | Chhattisgarh |
|---|---|---|---|---|
| Act | PT Act, 1947 | State Tax on Professions Act, 1979 | PT Act, 2011 | Vritti Kar Adhiniyam, 1995 |
| Status | Active | Active | Active | Exempted since 2011 |
| Exemption threshold (salaried) | Rs 15,000/month | Rs 10,000/month | Rs 3,00,000/year | N/A (all exempt) |
| Max monthly PT (salaried) | Rs 208 | Rs 200 | Rs 2,500/year (quarterly) | N/A |
| Max annual PT | Rs 2,496 (salaried) / Rs 2,500 (self-employed) | Rs 2,500 | Rs 2,500 | N/A |
| Collection frequency | Monthly | Monthly | Quarterly | N/A |
| Employer deposit deadline | 28th of following month | Within 21 days of month end | 15 days after quarter end | N/A |
For employers operating across eastern India, Assam and West Bengal require monthly PT deduction and deposit. Jharkhand uses quarterly collection. Chhattisgarh is PT-free since 2011.
For managing PT across multiple states, see our comprehensive guide to multi-state Professional Tax compliance.
Common Employer Mistakes in Assam PT
1. Not Updating to April 2025 Revised Slabs
The most frequent error since April 2025 is continuing to deduct Rs 150/month from employees earning Rs 10,001 to Rs 15,000. These employees are now exempt. Check your payroll software configuration.
2. Missing the 28th Deposit Deadline
Assam requires PT deposit by the 28th of the following month. This is earlier than many states (e.g., Maharashtra requires payment by the last date of the following month). Mark it in your compliance calendar.
3. Not Registering New Establishments
Every employer who employs persons liable to PT must obtain a Certificate of Registration in Form IA. Opening a new branch or office in Assam triggers this requirement.
4. Ignoring Self-Employed Enrollment
Business owners, professionals, and dealers operating in Assam need a separate Enrollment Certificate via Form II, independent of employer registration. A CA running a practice in Guwahati needs both employer registration (for staff) and personal enrollment.
5. Incorrect Slab Application for Variable Pay
For employees with variable monthly pay (commission, overtime), apply the slab based on each month's gross salary. If salary crosses Rs 25,000 in some months and falls below in others, the applicable slab changes each month.
Where Tax Garden Helps
Professional Tax compliance in Assam requires monthly attention: correct slab application, timely deduction, deposit by the 28th, and annual return filing. For multi-state employers, Assam's unique monthly cycle and April 2025 revised slabs add another layer of complexity.
Tax Garden handles end-to-end Professional Tax compliance across all Indian states:
- Slab configuration: Correct Assam PT slabs configured in your payroll system, updated for the April 2025 revision
- Multi-state tracking: We manage different PT cycles (monthly in Assam, quarterly in Jharkhand, annual in some states) under a single service
- Registration: Form I (PTRC) and Form II (PTEC) applications in Assam and all other active PT states
- Monthly deposits: Timely deposit by the 28th of each month to the Commissionerate of Taxes
- Returns and reconciliation: Annual PT returns filed across all jurisdictions
- Penalty resolution: Handling notices and assessments from the Commissionerate of Taxes
For outsourced payroll management that includes PT compliance across all states, see our payroll outsourcing guide. For PF and ESI compliance, Tax Garden manages the complete employer contribution and filing cycle alongside PT.
Looking for expert help with professional tax Assam, Assam professional tax, professional tax Assam 2026, Assam PT slab rate, professional tax Assam revised slabs, professional tax payment Assam online, professional tax registration Assam, Assam professional tax exemption? The team at Tax Garden, based in Kondapur, Hyderabad, helps Indian SMEs stay compliant. End-to-end filings, notices, and deadline tracking, all in one place.
Sources: The Assam Professions, Trades, Callings and Employments Taxation Act, 1947 (Assam Act VI of 1947), available at comtax.assam.gov.in and indiacode.nic.in; The Assam Professions, Trades, Callings and Employments Taxation Rules, 1947 (tax.assam.gov.in); Revised salaried class slabs effective April 1, 2025 (Nil up to Rs 15,000, Rs 180 for Rs 15,001-25,000, Rs 208 above Rs 25,000) confirmed via cleartax.in, factohr.com, greythr.com, zoho.com, godigit.com, akriviahcm.com, legalitysimplified.com, sgcms.com, etaxtube.com, labourcodes360.com, indpayroll.com; previous slab (Rs 150 for Rs 10,001-15,000 removed in April 2025) confirmed via greythr.com, akriviahcm.com, legalitysimplified.com, sgcms.com; Schedule I self-employed categories (20 classes, Rs 250 to Rs 2,500 annual) confirmed via cleartax.in, factohr.com, greythr.com, zoho.com, godigit.com, simpliance.in, bizfoc.com; employer deposit by 28th of following month confirmed via factohr.com, zoho.com, cleartax.in, bizfoc.com; self-employed payment (enrolled before May 31: by June 30; after May 31: within 1 month) confirmed via cleartax.in, factohr.com, zoho.com; penalty (2% per month, double for complete non-payment) confirmed via factohr.com, zoho.com, godigit.com, cleartax.in, bizfoc.com, thegstco.com; exemptions (Armed Forces, government-notified persons, cultural/literary/sports pensioners, disability education societies) confirmed via cleartax.in, factohr.com, godigit.com, zoho.com; registration Form I (employer) and Form II (self-employed) confirmed via comtax.assam.gov.in, cleartax.in, factohr.com, zoho.com, indiafilings.com, thegstco.com; Constitution of India, Article 276(2) (Rs 2,500 per annum cap); Income Tax Act, 1961, Section 16(iii) and Section 37(1). All slab rates and compliance requirements are subject to amendment by state notification. Verify current rates with the Commissionerate of Taxes, Government of Assam before implementing payroll changes. This article provides general information and is not a substitute for professional advice specific to your business circumstances.
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