77 Field Regiment is part of the Regiment of Artillery of the Indian Army.
The first commanding officer was Lieutenant Colonel Harish Bahl.The batteries were christened as 771, 772 and 773 medium batteries.
The regiment received its 130 mm field guns on 2 September 1966 and went on to use it during its first field exercise on 17 April 1967 and was declared Fit for War.
[1] The regiment at formation had a fixed class composition of Brahmins, Rajputs and South Indian Classes.
In 1999, the regiment was converted to a mixed class unit.