Hi I understand your concern. Yes, according to your height you are under weight. For increasing weight you can have wholesome cereals like barley, oats, millets, ragi along with eggs, dairy products, lean meat. Sprouts, Chana, rajma etc.
Next Steps
For best results you connect to any dietician personally for customized diet plan suited best in your lifestyle and body type.
Health Tips
I am from Delhi too if you want you can connect to me too,through practo.