Explanation:

- Option 1: Manju Mehta

- Manju Mehta is a renowned sitarist and has made significant contributions to Indian classical music. Despite her accomplishments, she did not win the Tansen Samman in 2020.

- Option 2: Dalchan Sharma

- Dalchan Sharma is known for his contributions to the field of music but is not the winner of the Tansen Samman 2020.

- Option 3: Ulhas Kashalkar

- Ulhas Kashalkar is a notable Hindustani classical vocalist famous for his performances in various traditional styles. He was not the recipient of the Tansen Samman in 2020.

- Option 4: Satish Vyas

- Satish Vyas is a distinguished santoor player. He was honored with the Tansen Samman in 2020 for his contributions to Indian classical music.

Correct Answer: Option 4: Satish Vyas