Complex sentence: The college has a day school and several boarding house and buildings of which, the Rajendra Das Boarding House and the Balram Das Boarding House are named after the donors of the State of Nandgaon and they constitute the main building.
Split into simpler sentences: The college has a day school and several boarding house and buildings. The Rajendra Das Boarding House and the Balram Das Boarding House are named after the donors of the State of Nandgaon and they constitute the main building.