The Khel Mahakumbh in Gujarat promotes sports, and the best athletes are recognized with:

Sardar Patel Award
Vikram Award
Arjuna Award
Rajiv Gandhi Khel Ratna Award

The correct answer is: Arjuna Award.

The Khel Mahakumbh is a sports event held in Gujarat, India. It is the largest sports event in the state, and it attracts athletes from all over India. The event is held every year, and it features a variety of sports, including cricket, football, hockey, and athletics.

The best athletes at the Khel Mahakumbh are recognized with the Arjuna Award. The Arjuna Award is a national sports award in India, given by the Ministry of Youth Affairs and Sports. It is awarded to athletes who have excelled in their respective sports at the international level.

The other options are incorrect because they are not sports awards given by the Indian government. The Sardar Patel Award is a civilian award in India, given by the government of Gujarat. The Vikram Award is a science and technology award in India, given by the government of India. The Rajiv Gandhi Khel Ratna Award is the highest sporting honour in India, given by the government of India.