Boundary Agreements: Land Boundaries Issue

My question involves real estate located in the State of: Telangana

hi,
my name is manoj. 3 months back i sold my paddy land 5 acers. the puechaser with out survey,with out demarcation he registered from me. Now one side boundaries are mentioned wrongly.till now he is not in position..now wot should i do. if i send a notice to him rectification of boundaties.if he is not accepted wot should i do.
thanks

Boundary Agreements: Land Boundaries Issue