Complex sentence: On 3 February 2013, his mercy petition was rejected by the President of India, Pranab Mukherjee and he was secretly hanged at Delhi's Tihar Jail around 08:00 am on 9 February 2013 and afterward buried inside jail grounds in Operation Three Star.
Split into simpler sentences: On 3 February 2013, his mercy petition was rejected by the President of India, Pranab Mukherjee. He was secretly hanged at Delhi's Tihar Jail around 08:00 am on 9 February 2013 and afterward buried inside jail grounds in Operation Three Star.