This is India.
For all we know, they may very well be pretty effective fighters. At least they don’t have to worry about the enemy’s civil rights.
The Indians stopped winning wars when they stopped eating meat.
However, most Hindus have given up vegetarianism. At least, that's what "google" says.
I remember China wanting to WIN in the Olympic games. They HAD given the lion's share of their meat to their military but started giving it to their athletes so they would start WINNING at world class athletics. It worked.