I have failed in driving skill test, how to pay retest fees and how much do I have to pay?

A new application needs to be placed for a retest. 
Steps to Pay Retest Payment :- 
1 Visit https://sarathi.parivahan.gov.in/ 
2 Select concerned state 
3. Click on "Fee Payments" from the "Fee Payments" menu 
4 Click on "EPayment" menu and Retest Fee