Nikhith Krishnamurthy 02 June 2018
Kumar Doab (FIN) 03 June 2018
If you wish and you can, settle the matter amicably.
The buyer has the option to approach his/her counsels and counsel may opine to approach civil courts for specific performance.
Or approach your counsel and follow the advise that might be to refund the amount with interest...as per T&C signed with buyer..