Mumbai international airport sounding like railway platform

The airport has started announcing departure of flights very frequently and making it feel like a railway platform and is very irritating. I believe all the passengers are literate and they know to follow the instructions to reach their gate

Lack of efficiency

It’s a very bad experience to fly in Mumbai airport, 45 minutes to get in the airport because there is a security that checks passports and tickets at a speed of a snail + when passing baggage controls another 45