Chopra made history at the Tokyo Olympics by becoming the first Indian to win a gold medal in a track and field event in the Games' history.
Dr Sosamma was honoured with the Padma Shri for her pioneering work in the conservation of the Vechur cattle breed.
The iconic singer, who was 90, had been admitted to a hospital with ill health.
. In all four Padma Vibhushans, 17 Padma Bhushans and 107 Padma Shri awards are being conferred this year.
Padma Bhushan is the third-highest civilian award in the country, after Bharat Ratna and Padma Vibhushan.
Veteran Congress leader Ghulam Nabi Azad and former West Bengal CM and CPM leader Buddhadeb Bhattacharjee were given Padma Bhushan.
According to CPM sources, it was a decision of Bhattacharjee and also the party.
Kottayam Collector Jayashree reached her residence in Monipally to hand over the civilian award.
The writer suffered a huge personal loss a few hours before the function when his wife Shantha lost her long fight with cancer.
The Padma Shri recipient, was the founding director of Regional Cancer Centre, was 81.