Currently the new regs take effect the 25th of March.
Before going to India as a crewmember, undergoe a thorough medical with your AME at home.
Full blood work, EKG, TMT, Glucose Tolerance, etc. The Indian medical is conducted by the Indian Air Force to tighter standards than perhaps the FAA or EASA group.
You are on the company payroll the day you enter India for training. There is no training pay. You will be paid, even if you are sitting awaiting your FATA, and to take your medical too.