Vaccines take 10- 15 years to make but India is trying to develop it in 1 year but for that, a parallel process is required, said Professor K. Vijay Raghavan, Principal Scientific Advisor (PSA) to the Centre.Briefing the media, he also said that presently 30 groups in the Indian industry and academia are trying to develop a vaccine and around 20 are keeping a good pace. Watch the video for more information.