About the location (from Wiki):
Bishop Cotton School, Shimla, (Himachal Pradesh, India) is one of the oldest boarding schools in Asia, (after St. Paul’s School, Darjeeling estd. 1823 and St. George’s College, Mussoorie estd. 1853) having been founded on 28 July, 1859, by Bishop George Edward Lynch Cotton. The alumni of Bishop Cotton are known as Old Cottonians. The school celebrated 150 years of existence in 2009.

The staff are housed in Linlithgow house. Next to this is the Holy Trinity Chapel and between them is Canning Gate and Lawrence Gate which can be identified with the LSS crest bearing the legend “Be ready”. Viceroy Lawrence laid the foundation stone of the school at the present site. Facing the main school building are Rivaz, Ibbetson and Lefroy dormitory houses. Curzon dormitory house is at the right back end. Opposite Lefroy is the War Memorial and Museum with a cannon and an aircraft further along. Between Lefroy and the War Memorial is an arched hedge that leads past a tiny rose garden to the Headmaster’s Lodge and the Lady Willingdon Swimming Bath. In front of the Porch is a fountain commemorating Sardar Sohan Singh. The main hall of the school is Irwin Hall. Behind this is the Senior Master’s Lodge to the left of which is the park and to its right Litster Hall and the laboratories. Sports facilities include the Bawa Squash Courts and Shankar Hall for indoor badminton.

Movies shot at this location:
The initial school scenes from Udaan