| Act | Particulars | Due date |
| Income Tax Act, 1961 | Remittance of TDS & TCS for the month of January, 2011 | On or before 7th Febraury, 2011 |
| Filing of TDS & TCS returns for the month of January, 2011 | On or before 15th February, 2011 |
| Central Excise Act, 1944 | Remittance of duty by all type of units except SSIs in challan no. GAR- 7 | On or before 5th February, 2011 |
| Filing of monthly return by all type of units except SSIs in Form No. ER 1 | On or before 10th February, 2011 |
| Filing of monthly returns by all types of units for CENVAT credits availed - Form No. ER 1 | On or before 10th February, 2011 |
| Remittance of duty by SSIs in challan no. GAR- 7 | On or before 15th February, 2011 |
| Filing of monthly returns by SSI/EOU/FTZ/SEZ in Form No.ER 2 | On or before 10th February, 2011 |
| Filing of monthly returns by all units for receipt & consumption of inputs out of PLA where excise duty exceeding Rs. One crore in a year - Form No. ER 6 | On or before 10th February, 2011 |
| EPF Act | Pay P.F.Deductions for the month of January, 2011 | On or before 15th February, 2011 |
| EPF Act | Submit monthly return for the month of January, 2011 in Form 5 (along with Form 2, 10, 12 & 12A) | On or before 25th February, 2011 |
| EPF Act (in respect of international workers) | Submit monthly statement (for the month of January, 2011) IW-1 relating to details of Employyes qualifying for membership as International workers along with Form 5 (for unexempted) /Form 4 PS (for exempted)* | On or before 15th February, 2011 |
| ESI Act | Make ESI payments for the month of January, 2011 | On or before 21st February, 2011 |
| Professional Tax | Submit Form 5 and pay Tax deducted from employees' salary/wages | On or before 20th February, 2011 |
| Service Tax | Payment of Service Tax for the month of January, 2011 | On or before 5th February, 2011 |
| Water Cess Act & Rules | Pay Water Cess and submit return for the month of January, 2011 | On or before 5th February, 2011 |
| Karnataka VAT Act | Remittance of sales tax for the month of January, 2011 | On or before 20th February, 2011 |
