Welcome to Electors Verification Programme(EVP). As an elector you have to follow the steps below for the verification programme:

First Step: View & Verify your details in elector roll
Second Step: Provide Feedback on your existing polling station
Third Step: View & Verify details of your Family in elector roll
Fourth Step: Register unenrolled(Age greater than 18 years) & prospective (having age between 16 to 18 years) member of your family

https://nvsp.in/ Tutorial on Voter Helpline App for Electors Verification Programme
Process flow for verification through NVSP Tutorial on NVSP for Electors Verification Programme