Complex sentence: Operations against "Anuashilan Samiti" saw founding of the Special branch of Calcutta Police, while heading the intelligence and missions against Ghadarite movement and India revoltuionaries was the MI5 (g) section.
Split into simpler sentences: Operations against "Anushilan Samiti" saw founding of the Special branch of Calcutta Police. Heading the intelligence and missions against Ghadarite movement and India revoltuionaries was the MI5 (g) section.