The Bahadur Group, or the Special Services Group as it was initially formed, was a Special Forces

Special forces

Special forces, or special operations forces are terms used to describe elite military tactical teams trained to perform high-risk dangerous missions that conventional units cannot perform...

 unit within the Indian National Army

Indian National Army

The Indian National Army or Azad Hind Fauj was an armed force formed by Indian nationalists in 1942 in Southeast Asia during World War II. The aim of the army was to overthrow the British Raj in colonial India, with Japanese assistance...

 that was tasked with frontline intelligence as well as subversion and sabotage operations behind enemy lines.
A unit of the Bahadur Group led by Colonel Shaukat Hayat Malik is credited with raising the flag of Azad Hind in Moirang

Moirang

Moirang is a city and a municipal council in Bishnupur district in the Indian state of Manipur.Moirang is a town situated in the north east of India, 45 km from Imphal, Manipur. The Moirang C.D. Block came into existence on 4 April 1985 with its headquarters at Moirang Khunou about 1.5 km...

in April 1944, an event accepted as one of the first instances of the liberation of Indian soil by an independent Indian government.