since you are a chronic smoker you are facing what is said as Nicotine withdrawal
you need to consult your nearest doctor where tobacco cessation clinics are going on. Indian Dental association has registered many dental clinics with Tobacco intervention initiative, . these clinics are placed in many states in India. you can visit www.tii.org to get the address of your nearest clinic. Only a qualified doctor can help you to get rid of tobacco easily .
many medicines are present today which work as nicotine replacement therapy
. After taking your complete history of smoking pattern then only a medicine can be prescribed to you. You also need to follow up your doctors advise positively to help yourself better.
dr deepali, dental surgeon and tobacco cessation specialist, lucknow