The fact that they are so out of touch with reality and modern thinking is a very good reason NOT to fly TIGERAIR for me. A cultural "Loss of Face" thinking perhaps?
It was NASA that did the original scientific studies over 25 years ago.
https://www.nasa.gov/home/hqnews/1990/90-090.txt
https://www.nasa.gov/home/hqnews/1994/94-177.txt
Even Indias DGCA has worded it nicely.
http://dgca.nic.in/misc/draft%20circ...st%20Draft.pdf