Complex sentence: Dr. Ramakanta Panda, 53, Vice Chairman and Managing Director, an alumnus of AIIMS, is the surgeon who performed the redo-bypass on Dr Manmohan Singh, the Indian Prime Minister.
Split into simpler sentences: Dr. Ramakanta Panda, 53, Vice Chairman and Managing Director, is an alumnus of AIIMS. He is the surgeon who has operated on Dr Manmohan Singh, the Indian Prime Minister.