[1] He was also involved with running the Akhil Bharatiya Vidyarthi Parishad (ABVP), the student wing of RSS.

[5][6] He contested the 1962 Maharashtra Legislative Assembly election from Shivajinagar (Vidhan Sabha constituency) but lost to Sadashiv Govind Barve.

[8][9][10] He was arrested under Maintenance of Internal Security Act (MISA) during the emergency in 1976.

[12][13] When the erstwhile Jana sangh faction broke away from Janata Party, and formed Bharatiya Janata Party (BJP), Mhalgi was named the first president of BJP's Maharashtra state unit.

[16] Secondary Schools in Katraj and Kadus,[17][18][19] roads in Thane & Pune are named after him.