S. 50C : Capital gains – Full value of consideration – Stamp valuation – Assessee neither objected to value determined by Sub-Registrar nor requested the AO for referring to Valuation Officer – AO was justified in bringing to tax deemed sale consideration as per the Stamp duty authority instead of the actual sale consideration claimed by assessee- AO can not invoke provisions of S. 50C(2) suo motu.[ S.45 , 50C(2) ]