heard
1. in jet, mil pilots with turboprop exp start trg from left. same for commercial exp. however fighter experience do some hrs from right first
2. in Kf the same lot have to do about 280 hrs from right before jumping to left. also the waiting period to start is as long as 1 year plus on the ATR.
3. Indigo is pretty fast ( time not known)
4. spicejet - no idea
5. Go no idea.