You have entered into agreement for sale wherein seller offered to sell you land for x amount and received y as advance payment
2) if seller inspite of your readiness and willingness to pay balance amount has refused to execute sale deed you have rightly filed suit for specific performance to direct seller to execute regs sale deed in your favour
3) further case of cheating is made out against seller under section 420 of IPC
4) seller cannot take advantage of debt free bull