Ambala is a city in district AMBALA in the state of Haryana, located on the border with the state of Punjab. Politically Ambala has two sub-areas: (Ambala Cantt) and Ambala City, approximately 3 kilometers apart from each other, therefore it is also known as "Twin City" It has a large Indian Army and Indian Air Force presence within the confines of its cantonment area. Ambala separates the Ganges river network from the Indus river network and is surrounded by two rivers – Ghaggar and Tangri – to the north and to the south. Due to its geographical location, the Ambala district plays an important role in local tourism.
It is said that Ambala District was founded by Amba Rajput during the 14th century AD. Another version is that the name is a corruption of Amba Wala meaning the mango-village, from mango groves which existed in its immediate neighborhood. Still another version is that the District has taken its name after goddess "Bhawani Amba" whose Temple still exists in Ambala city.
The Ambala Cantt was established in 1843 after the British were forced to leave its Karnal Cantonment following the malaria epidemic of 1841 – 42 in as there were not any known effective means to control malaria epidemic in those days. The cantonment houses the '2 Corps', one of the three Strike Corps of the Indian Army.
Ambala was given the status of a district in 1847, formed by the merging of the jagir estates of hitherto independent chieftains whose territories had lapsed or had been confiscated by the British Indian Government. In its 161 years of existence as a district, Ambala has witnessed many changes in its boundaries. Previously it extended across tehsils of Ambala, Saphera, Jagadhri, Pipli, Mohali, Ropar and Nalagarh. Kalka- cum-Kurari State, Pinjore, Mani Majra, Kasauli & Sanawar were also merged into the district at different times.
Ambala Air Force Base is one of the oldest and largest airbases that were inherited from the British by the IAF. It was from this airbase that Spitfires and Harvards flown by Instructors of the Advanced Flying Training School took part in the 1947- 48 Kashmir Operations. Subsequently, Ambala was the front line airfield for many years. It was home to various aircraft that were inducted into the Indian Air Force,Vampires, Ouragans, Hunters, etc. all flew from this base. The airbase was briefly attacked in 1965 by B-57 bombers of the Pakistan Air Force. Today the Airbase houses the '7 Wing' with squadrons of Jaguars and MiG-21 Bisons. In November 1949 Mahatma Gandhi's assassin, Nathuram Godse was hanged at Ambala Central Jail mentioned in Kim. along with Narayan Apte, a co-conspirator. Ambala Cantt is also
As of 2011 India census, Ambala had a population of more than 4 Lakhs consisting of equal no of males and females. Ambala has an average literacy rate of 82.9%, with 88.5% of males and 76.6% of females literate. 11% of the population is under 6 years of age.
Bus service is the major means of public Transport in this district. Ambala depot came into being on 1.8.1950. The office of the General Manager is situated in the premises the depot workshop at Ambala City. Ambala depot has a sub depot at Naraingarh. Presently, Haryana Roadways, Ambala has 200+ buses, which carry about 35 Lacs passengers everyday and cover a distance of about 20Lacs Km daily. Out of these, total distance covered on interstate routes is about 25K Kms and 42K Kms are operated within Haryana every day. New Bus Stand at Ambala Cantt was inaugurated on 12.7.1999 and the total land of bus stand is 6.7 acre. Bus stands in this district exist at Ambala City, Naraingarh and Barara also. A sub depot level workshop has also been provided at Naraingarh. 'Yatri Niwas' exists in the campus of Ambala Cantt. Bus stand for the convenience of the commuters who wish to stay for the night.