In 1965, Tiwari and MP Kishen Pattnaik filed a public interest litigation with the Supreme Court of India, requesting greater resources to deal with a drought in the Kalahandi and Nuapada districts, which forced the government to institute several special developmental projects in the area.

In 1974, he created the Rairakhol Bhimabhoi Krushak Sangharsa Samiti, an activist group affiliated with the National Alliance of People's Movements.

[1] Tiwari made his first run for the Orissa Legislative Assembly in the 1974 election, campaigning for the Khariar constituency as an independent candidate.

[4] Tiwari was regarded as a leader in the socialist movement during his time in the assembly, and he raised awareness of issues such as child trafficking, poverty, starvation, and migration.

[3][5] His death was commemorated by Naveen Patnaik, the chief minister of Odisha, who stated that Tiwari had "dedicated efforts to the development and welfare of the people of the undivided Kalahandi district".