You can avail e-filing services of the Commercial Tax Department of Goa State Government. Registered users need to login with their TIN number and password. You can avail various services such as e-filing the VAT return, pay commercial tax, pay entry tax, apply for renewal of VAT registration etc. Link is also provided for new dealer registration. E-service Help, user manual, frequently asked questions etc. are provided to help dealers. Contact numbers of officials are also available.