350m (1,148ft) Capital Chandigarh Largest city Chandigarh District(s) 1 Population • Density 900,635 [1] ( 29 ) • 7,900/km² (20,461/sqmi) Language(s) Punjabi , Hindi , English Established 1966 Codes • Telephone • +172 ISO abbreviation IN-CH The city of Chandigarh comprises all of the union territory's area. Seal of Chandigarh India