According to your height your weight is too low.
How long you are having this weight or since childhood you're underweight side, uour parental and sibling means family history of underweight or any other ailments please share.
You need to focus on exercises as well as pre amd post exercise foof as well as whole day high protein diet plan.
Next Steps
Share your present dietary pattern and exercise schedule to assess your nutritional status and for further guidance
Health Tips
Eat healthy balanced high protein diet with proper exercise schedule and lifestyle management