The Su-30 aircraft was scrambled after the Pakistani drone was detected entering the Indian air space to survey the Indian Defence positions in the desert sector, sources said.
The ground radars stationed there had seen the drone on the radar first.
This is the second drone which has been shot down by the Indian Air Force. The first was shot down on the morning of February 26 after it intruded Indian air space in Kutch district of Gujarat. The drone was downed by the Spyder air defence system using its Derby missile.
Indian and Pakistani forces are currently on high alert.
India hit a Jaish-e-Mohammed training camp in Pakistan's Balakot on February 26.
A day later Pakistan dropped bombs on the Indian side of the Line of Control without crossing the LoC.
India's airstrike on the JeM terror group's training camp followed the terrorist attack on a security convoy in Kashmir's Pulwama on February 14. The attack, in which at least 40 CRPF personnel died, was claimed by the JeM.
(With inputs from ANI)
The drone was detected by Indian air defence radars, and then shot down by a Sukhoi 30MKI.