Career
Sinha played regularly for Bihar from 1951-1952 to 1962-1963 as a bowler. His best figures were 4 for 82 off 29 overs against Bengal in 1958-1959. His highest score was 34 not out at number nine, the second-top score of the innings, in a close victory over Orissa in 1960-1961.
Sinha was appointed state cricket coach by the Bihar government, a position he held until his early death.
The cricket competition among Bihar schools has since been held for the Shyamal Sinha Memorial Trophy.