Sitting in a surgical oncologist’s cabin, Shyam Babu (name changed) curses the day he gave in to his old habit of chewing tobacco and consuming alcohol. Just six years ago, the 63-year-old Delhi-based textile businessman had successfully defeated mouth cancer. He now suffers a relapse of the disease. “I am talking with a lot of pain and great difficulty,” says Babu, as he shows marks around his neck caused by radiotherapy. Tobacco-related cancers, which include the cancer of lip, tongue, mouth, oropharynx, hypopharynx, pharynx, oesophagus, larynx, lung and urinary bladder, have emerged as the biggest cancer group in the country. Though easily preventable, they account for about 30 per cent of the country’s total cancer load. In the Northeast alone, tobacco is responsible for 60 per cent of the cancer cases (see ‘Life in cancer capital’). This is the finding of the consolidated reports of cancer registries, released by the Indian Council of Medical Research (ICMR) in May. ICMR star