The Benchmark domestic equity indices, Sensex and Nifty, were trading nearly flat in forenoon trade today amid mixed global cues. The 30-share BSE Sensex added 64 points to 80,811 while the NSE Nifty50 dropped marginally by 5 points to 24,409, when reports last came in. Earlier, both indices opened almost flat amid cautious sentiment following an escalation in geopolitical tensions.