You will be entitled to deduct from your gross receipts all the expenses wholly and exclusively incurred for your profession. Such expenses may include Conveyance Expenses, Depreciation on vehicle, Stationary, Telephone etc.
The company which pays you the professional fees will be deducting a ceertain amount (usually 10.3% or 11.33% of Gross Receipts) towards tax on income comprised in such fees. You will get the credit of such tax deducted at source while paying the final tax liability.
You should pay advance tax if tax liability on your professional income (Gross Receipts less Expenditure) is likely to exceed the tax that would be deducted on professional fees.
Advance tax has to be paid if your net tax liability (Tax Liability - TDS) is greater than Rs. 5000. Advance Tax has to be paid by individuals in three installments as follows:
1. 1st Installment by 15th September - 30% of net tax liability
2. 2nd Installment by 15th December - 60% of net tax liability less already paid through first installment
3. 3rd Installment by 15th March - 100% of net tax liability less already paid through first installment and second installment
You have an option of depositing tax online using challan ITNS 280. For using this facility kindly visit https://onlineservices.tin.nsdl.com/etaxnew/tdsnontds.jsp