It typically takes five years (and about Rs 15 crore for just the first of many phases) to introduce a viable vaccine to market. Companies across India such as Zydus Cadila, Serum Institute and Bharat Biotech are working against the clock to shrink this period down to a few months. Forbes India's Divya Shekhar takes a deep dive into what this rush looks like on the ground and gives us a glimpse into the path ahead in this episode