Shares of Unitech nosedived 51.63 per cent to Rs 6.50 -- its 52-week low at the BSE.
The stock also faced massive selling pressure amid reports of company defaulting on loans.
Housing Development and Infrastructure Ltd plummeted 16.9 per cent, Indiabulls Real Estate slumped 15.33 per cent, Anant Raj (11.45 per cent), DLF (9 per cent) and Oberoi Realty (7.73 per cent).
Following the sharp losses in these scrips, the BSE realty index tumbled 6.54 per cent to 1,404.32 points.
Reserve Bank Governor Raghuram Rajan, however, cautioned that uncertain monsoon may prevent future rate cuts.
Central bank in its second bi-monthly monetary policy used subdued inflationary condition to "front load" the repo rate cut to 7.25 per cent to spur investment and growth.
Meanwhile, the benchmark BSE Sensex was trading with a sharp loss of 413.37 points at 26,769.98.
