In 1980, Pushpa Singh polled 53.76 percent of the valid vote to win election to the Lok Sabha at age 31, making her one of that parliament's youngest members.
Her nearest rival, Narhari Prasad Sai of Janata party, a minister in the Morarji cabinet, polled 21.97 percent of the vote.
In 1989 General Election Pushpa Singh was defeated by Nand Kumar Sai, when there was a wave against Rajiv Gandhi's Congress.
At elections to the 10th Lok Sabha in 1991 Singh won again, with 53.13 percent of the vote, again beating Nand Kumar Sai by then the President of the State BJP.
She is an active member of the Indian Nationalist Congress Party and lives at Girivilas Palace in Sarangarh, Chhattisgarh.