Sri Lanka, Feb. 14 -- A few months ago, India's drug regulator Central Drugs Standard Control Organisation (CDSCO), approved the commercial use of CAR-T cell therapy. The therapy includes genetically reprogramming a patient's immune system to fight cancer.

Today, the therapy has turned out to be a lifesaver for many patients, including for Dr. (Col) V. K. Gupta, a Delhi-based gastroenterologist with 28 years of experience of working in the Indian Army, Indian Express reported.

He accessed the therapy by paying just INR 42 lakhs or $50,000, whereas a similar therapy costs up to INR 4 crore, $480,000 abroad.

Doctors at the Tata Memorial Hospital, where Gupta underwent the procedure, said he is "currently free of cancer cells." Gupta is the...