Please consult with The Department of Pulmonary Medicine in some of the Top Corporate Hospitals in your area. Two Pulmonologists have already failed to come to any conclusions.

To increase your lung capacity you need to do some breathing exercises on a regular basis. 1. Buy a spirometer (easily available in all the medical stores and even online) and try to lift the balls and hold it. ( Can search on youtube for instructions to use it ) 2. Do anulomvilom and pranayama on a regular basis. 3. Stop smoking if you do. 4. Maintain proper life style. Drink plenty of water. 3 litres per day. Avoid spicy and oily food. Avoid over eating Avoid alcohol Avoid tobacco and pan masala. Don't eat and lie down keep atleast 2 hours of gap. Have green leafy vegetables and fruits. Add probiotics to your diet. Reduce your caffeine intake. Go for jogging on a regular basis.