New Delhi, April 30 -- India has closed its airspace to all aircraft registered in Pakistan and those operated by Pakistani airlines, according to the Ministry of Civil Aviation (MoCA), another major step following the April 22 terrorist attack in Jammu and Kashmir's Pahalgam in which 26 people were killed.

India issued a Notice to Airmen (NOTAM) on Wednesday, confirming the closure of its airspace to all Pakistani-registered, operated, or leased aircraft, including military flights, from April 30 to May 23 (estimated duration).

Both India and Pakistan have now blocked each other's airlines from using their airspace, as the neighbouring country had already announced this step six days ago.

Notably, there has been a rise in ceasefire vi...