India on Wednesday accused Pakistan of targeting the country's military installations in response to its counter - terrorism action a day earlier and said an Indian MiG - 21 Bison pilot was "missing in action".
"Against this counter - terrorism action (of bombing the JeM training camp), Pakistan has responded this morning by using its air force to target military installations on the Indian side, " External Affairs Ministry spokesperson Raveesh Kumar told the media.
"Due to our high state of readiness and alertness, Pakistan's attempts were foiled successfully, " he added.
He said the Indian Air Force (IAF) responded instantly and in the aerial engagement, one PAF fighter aircraft was shot down by a MIG 21 Bison of the IAF.
"The Pakistani aircraft was seen by the ground forces falling from the sky on the Pakistani side, " he said.
"In this engagement, we have unfortunately lost one MiG - 21.
The pilot is missing in action.
Pakistan has claimed that he is in their custody.