You say it isnt.
I say it very much is.
It isnt in your opinion, because you dont (In all likelihood) live in India.
1) Militant preachers are a problem in India
2) Their incitements lead to violence
a) By their adherents
b) By people made angry by their message, or their tactics
Therefore, the best thing to do, is to shut them up. If people wish to become christians, they will do so. It should not be out of compulsion and coercement.
The kind of preachers who offer poor and hungry tribals food, money, or medical attention on condition that they become christians are (I assume) not good christians anyway.
THAT is the sort of thing this law is aimed against.
You got that right.
"THAT is the sort of thing this law is aimed against."
I think the law must be ambiguous. It's been quoted as prohibiting "conversion," not merely prohibiting bribery, coercion, terroristic threats, fraud, incitement to riot, and other clearly criminal offenses.