On Monday, the benchmark indices were trading flat with the Sensex up around 14 points or 0.03% at 63,788 and the Nifty-50 up around 3 points or 0.01% at 19,050. About 1,756 shares have advanced, 1,620 declined, and 181 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as …