On transfer of immovable property of more than 50 lakhs buyer should deduct 1% tds and deposit to govt . . and then he have to issue tds certificate for that tax deducted . . form applicable is Form 16B
you have to register in traces for that(as a taxpayer) and then can download this form 16B . . here u go for procedure tutorial . . https://www.youtube.com/watch?v=Z39uD5o8Hlg . . come back if any doubt