1) Russia
2) China
3) Pakistan
4) Georgia
Explanation:
Antonov An-12 heavy cargo plane coming entered the Indian air space from an unauthorised air route & it was forced to land at Jaipur airport. It was left off after a thorough investigation.The aircraft neither responded on international distress frequency nor to visual signals during interception. However, when challenged, the aircraft responded and informed that it was a non scheduled An-12 aircraft that had got airborne from Tbilisi (Georgia) for Delhi via Karachi. The aircraft was shadowed and forced to land at Jaipur for necessary investigation.