Yes, Kabbadi is the national sport of India, I do not understand how you have mentioned field hockey as the national sport
India has no official national sport according to the ministry of sports. However, as noted by Wikipedia, the de facto (unofficial) national sport is Field Hockey.
the answer is hockey
No, Sport in India includes cricket, chess, badminton, field hockey, lawn tennis, football, golf. Though field hockey is the national sport of India, cricket is the most popular sport in the country.
It is assumed to be Field hockey. Most popular is cricket. The truth is, India has no national sport.
Even though it's not the national sport, cricket is by far the most popular sport.