Even if he has a scar due to TB, the decision is taken on a case to case basis.
If he has had any infection in the lungs and he has proof of the medical treatment etc then he should bring it along and should explain it to the doctor.
Also it depends on the profession - people who are in food/catering business for example are dealt with more stringently.
They also look at the educational and professional qualification and the willingness of the recruiting company to go to that extra mile - for example write a letter to the medical commission on why he is indispensable to the company etc....in case he is declared "Unfit" by the medical commission there.
Even if he has a scar due to TB, the decision is taken on a case to case basis.
If he has had any infection in the lungs and he has proof of the medical treatment etc then he should bring it along and should explain it to the doctor.
Also it depends on the profession - people who are in food/catering business for example are dealt with more stringently.
They also look at the educational and professional qualification and the willingness of the recruiting company to go to that extra mile - for example write a letter to the medical commission on why he is indispensable to the company etc....in case he is declared "Unfit" by the medical commission there.