You can file a criminal complaint against buyer under fraud, Breach of trust and in basis of same a criminal case can be registered.
You also have remedy to go to civil court and recover your amount along with interest.
Also you can file an consumer complaint along with delay condone application so that the delay by you can be condoned by the consumer court.
Section 24A defines the limitation period for filing the complaints under Consumer Protection Act, 1986. As per the definition, the complaint can be filed with District Forum, State or National Commission within 2 years from the date of cause of action has arisen, however , sub-clause (2) of the said provision states that the complaint filed beyond the prescribed period would be entertained if the Complaint satisfies the Forums, State and National Commissions with sufficient reason that prevented him from filing within the prescribed period. A provision is also given mandating the Forum, State Commission, and National commission to record the reasons for condoning the delay and proceed to entertain such delayed Complaint.