What was the british east india comany and how did it become so powerful in colonial india

The military arm of the East India Company quickly developed to become a private corporate armed force, and was used as an instrument of geo-political power and expansion, rather than its original purpose as a guard force, and became the most powerful military force in the Indian subcontinent.so due to the military force they became powerful!

Ansarabs took control;

The answer would be  b. hope this !