"Cipla, which has 23 oncology drugs in its portfolio, has been able to offer the price advantage because of backward integration and reverse engineering, its chairman Y K Hamied told TOI"
I'm not sure what backward integration means, but the part about reverse engineering implies these are not drugs that they spent a large sum on R&D. It makes the moral hazard of capitalism vs compassion less hazardous when you copy someone else's product.
[1] http://timesofindia.indiatimes.com/business/india-business/C...