Kolkata, Sept. 23 -- IndiGo Airlines issued a travel advisory for its passengers on Tuesday, stating that some routes across Kolkata were impacted due to heavy rain in the city.

According to the Kolkata airport officials, only one flight operating between Pune and Kolkata was diverted to Bhubaneswar at 3 a.m., and all other flights were operating normally.

According to the Travel Advisory, the heavy rains led to temporary blocks and diversions on some routes.

The airline advised its passengers to check the status of their flight before going to the airport and allow extra time for themselves for commutation due to likely slow traffic movement and waterlogging.

The advisory stated, "Some routes across Kolkata have been impacted by heav...