How APJ Abdul Kalam and Vikram Sarabhai helped develop the BSF's first rocket
An excerpt from ‘India’s Secret War: BSF and Nine Months to the Birth of Bangladesh’, by Ushinor Majumdar.
Madhya Pradesh Vikram Sarabhai Mesra Ranchi Ushinor Majumdar Dy Comdt Bhatnagar Vikram Sarabhai Space Research Centre At Trivandrum
Source: scroll.in