1)you can change your name from GUNDU ASHOK to KONDA ASHOK REDDY by filling in Application Form with all details & reason for Name change .
2) change of name has to be published in official gazette and 2 local newspapers
3))visit the following website change of name.in/online-application-for-name-change-in-gazette/
4) Procedure for Name Change in Gazette:
1. Need to Make a Login Id
2. Log in with user Name & Password
3. Fill in All the correct Mandatory details like Old name & new Name / Reason for Name Change / date of Birth , Mobile No & Email Id / Address Etc.
4. Attach All the Documents ( ID proof / Address Proof / Photo & Application Form ) & Continue
5. Select The payment options ( Net Banking / Credit card / Debit card etc)