SU-30 MKI and Mig 29's are air superiority fighters and are therefore not always the first line of defense. Mig 21 was not expected to go behind the enemy line chasing. Bad day for the Indian pilot, credits to the PAF.
As per IAF norms, a member of the force retires at three ages – 58, 60 or 62. The rule says that when an officer turns 58 or 60 and is not able to get a higher rank by the end of the month of his birthday, the officer will retire. According to 7th Pay Commission , an Air Marshal retires at the age of 60, following the aforementioned rule. Air Marshal Hari Kumar turned 60 years old in February, and as per the rule, he retired on 28 February, which was his due date of retirement.