Complex sentence: He started his boxing practice with coach Captain Hawa Singh (the only person in India who got the honour to receive Arjuna Award as well as Dronacharya Award) whom Akhil respects a lot.
Split into simpler sentences: He started his boxing practice with coach Captain Hawa Singh. He is the only person in India who got an honour to receive Arjuna Award as well as Dronacharya Award, whom Akhil respects a lot.