The former President of India, Pratibha Patil, released a book on the letters of exchange between Sinha and prime minister Jawaharlal Nehru titled "Freedom and Beyond". The correspondence between Nehru and Sinha touches on subjects such as Indian democracy in the making in early years of Independence, Centre-State relations, role of governor, turbulence in Nepal, zamindari abolition and education scenario. Sinha was known for his scholarship and polymathy and he had given his personal collection of 17,000 books to the public library in Munger in 1959 which is now named after him as "Sri Krishna Seva Sadan".