Hi shubham, your chest x ray shows a large thick walled cavity.
It is important to know your old chest x rays and TB history to understand if it is a previous cavity or new finding ( in which case a further evaluation is mandated)
Also for palpitations a ECG and Echo must be performed along with a CBC to see your haemoglobin levels
Next Steps
I would suggest you to connect via an online consult for detailed discussion and further course of action
Health Tips
Sputum AFB stain and genexpert test can be repeated if you are having sputum production