[2][3] Babush contested his first election in 2002 on a United Goans Democratic Party ticket from the Taleigao Vidhan Sabha constituency.

His opponent was two-term sitting member of the Assembly Somnath Datta Zuwarkar from the Indian National Congress.

In the 2012, assembly election he vacated his safe seat of Taleigao for his wife Jennifer Monserrate and contested from the Santa Cruz constituency.

Monserrate won that election on a Congress ticket defeating Rodolfo Louis Fernandes by about two thousand three hundred votes.

[8] Monserrate contested the 2017 election from the Panaji (Vidhan Sabha constituency) and lost to Sidharth Sripad Kuncalienker of the Bharatiya Janata Party by about a thousand votes.