Dear Mr. Moneet Kumar,
A warm welcome to the CiteHR Community!!
The Service tax exemption limit is 10 Lakhs and if it exceeds more than 10 Lakhs you are applicable to pay Service Tax (in FY 2012-13) of 12.36% incl. surcharge & cess per mensem and also can remit them online to the authorities at Tax Department. Sales tax and Value Added Taxes differs from state to state. For Instance, Maharastra State, it is 4% and 5% respectively. Excise Duty is applicable on the final product and is subject to the central VAT on the manufactured product.
Please refer the follwoing link for a much clarity -
Source:
Sales Tax/ VAT, TDS, Income Tax, Service Tax Queries Answered, FREE | Intuit Small Business India
You may also use the "RESEARCH" tab at the top of this page near the Cite HR logo and get the posts on the similiar topic discussed earlier or can also refer the Download threads and Article picks from the right hand side of this page.
Good Luck!!