Your weight is 2 KGS less have healthy diet to increase muscle strength. Consult with dietician to increase stamina with food .I can help u with this

Hello... Have fresh fruits like pears,apples, citrus fruits,jamon, berries like blueberries,raspberries and include fresh vegetables in the form of salads.have fresh sprouts daily in the morning and along with a glass of milk.... Try to include nuts like almond, walnuts etc into your diet....Try to include brown rice, oats into your diet instead of roti.prefer olive oil or if not available then sunflower oil for cooking. Avoid cocunut in your cooking since it is rich in cholesterol.prefer buttermilk and ragi gunji than soft drinks which again gives you extra calories.avoid junk foods and fast foods, prefer home cooked meals. Drink plenty of water to stay hydrated. Do daily morning jogging for 30-40min,skipping for 10-15mins, cycling for 30-40mins. Do daily morning meditation and yoga. In the evening do brisk walking for 20-30mins and do swimming for 30-40mins.if you are not satisfied kindly consult a dietician.