NAYANTARA, who makes a comeback to Tollywood after a gap,with big budget action flick opposite young tiger NTR reportedly fainted on the sets, while shooting for some action sequences. According to a production source, she lost her balance and collapsed and the hurried unit members had to solicit the services of a medico. Did it happen to due to excessive dieting? No, she was diagnosed with low BP, the source added. When this was asked to her manager, he denied the incident. "It's all baseless and she is fine and fettle,"he said. However, her fans would cheer her comeback, while her rivals will have a few sleepless nights.