What are biofuels? Explain how they will contribute to satisfy the growing energy needs of the country.
 Reference article: https://www.downtoearth.org.in/blog/energy/second-generation-bioethanol-it-is-time-to-launch-it-headlong-78507

With 7500km long coastal boundary , maritime security is vital to India's interest. What are the ongoing challenges? Also discuss the way forward
 Reference article: https://m.tribuneindia.com/news/comment/maritime-security-vital-to-indias-interests-298190