Explanation:

- Shripad Yesso Naik: Known for his work in the Ministry of AYUSH. No record of him as the Minister of State for Planning in 2020.

- Rao Inderjit Singh: ?? He served as the Minister of State (Independent Charge) of the Ministry of Planning on 31st July 2020.

- Kiren Rijiju: Active in the Ministry of Youth Affairs and Sports and previously in Home Affairs, but not in Planning during this time.

- Santosh Kumar Gangwar: Engaged in labor-related portfolios, not associated with the Ministry of Planning.

- Answer: Rao Inderjit Singh was indeed the Minister of State (Independent Charge) for the Ministry of Planning on the specified date.