when was ambala established as a cantonment area
Ambala Cantonment Ambala Cantonment (Hindi:अम्बाला छावनी) is a cantonment town in Ambala district in the state of Haryana, India. It is some 200 kilometres north of Delhi and 55 km south from Chandigarh. Delhi-Kalka & Saharanpur-Ludhiana's railway lines and G.T. Road also passes through Ambala Cantt. This Cantt. was established in the year 1843 and is an important centre for manufacturing of scientific & surgical instruments. It is also called the science city due to huge exports of scientific instruments [2]