During the 1990 popular uprising, Prasai's group was part of the United National People's Movement.
[2] Ahead of the 1994 election and after the split in the United People's Front, Prasai's faction joined the Baidya faction of UPF and Prasai was named vice chairman of the UPF Central Committee.
[3] By 1995 Prasai was the chairman of the Revolutionary Left Front, Nepal - a new coalition positioning itself between 'the revisionist UML and the so-called Maoists'.
[8] He was selected to join the 1st Nepalese Constituent Assembly from the Proportional Representation quota of Communist Party of Nepal (Maoist) representing Morang district, following the 2008 Nepalese Constituent Assembly election.
Oli on one side and Prachanda and Madhav Kumar Nepal on the other, Prasai emerged as a leading figure in the Prachanda-Nepal faction.