You have to Download DVAT Offline Block Software and Import Excel file into Software
1.Click www.dvat.gov.in
2.Click Downloads
3.Click Offline Block New Software
4.After it is Downloaded,Click it and Open it
5.Click Setup
6 Software will be downloaded
7.DVAT Link on Desktop Appears
8.Open DVAT Link
9.Login/Register
10 After Login,Click Import Select Excel file gernerated from Tally
11 Preview and Save
12 Export it in Notepad
13 Now upload this notepad at DVAT Website