Once an assessee objects to stamp duty value u/s 50C AO has to refer the case for valuaiton and is bound by the report of DVO

ATE Enterprises P Ltd. IT APPEAL NOs. 2873 & 2874 (MUM.) OF 2011 SEPTEMBER 7, 2012
Smt. T.V. Nagasena IT Appeal No. 296 (Bang.) of 2011 May 31, 2012
Dr. Indra Swaroop Bhatnagar Allahabad High Court IT APPEAL NO. 97 OF 2008 SEPTEMBER 29, 2011
M. C. Khunnah v. Union of India [1979] 118 ITR 414 (All)
CWT v. Dr. H. Rahman [1991] 189 ITR 307
Cental Board of Direct Taxes Circular No. 8 of 2002, dated August 27, 2002 (see [2002] 258 ITR (St.) 13)