I have 6 months of worked expirence with Qatar airways at mumbai airport, I know all things about qatar airways, so basically Qatar airways is now come in worlds best airline because of heritage service with normal cost, qatar is very good for good passengers but its very strict bad passengers like scammer and fraud persons they want secure thier good passengers inflight their are 4 security staff in causal dressed like passengers and they site with normal passengers with guns for safety and athority, food check by the security staff in catreing house and sealed by the security staff, if you want to be safe while flying, fly with Qatar airways