ISRO fires up advanced rocket engine to pass hot test

<iframe
  src="https://hindustansphere.com/embed/cluster/34037c6f6b1fdc529f9d17635a3e8bb5c39bf6b4"
  width="100%" height="320"
  style="border:0;max-width:680px"
  loading="lazy"
  title="ISRO fires up advanced rocket engine to pass hot test"></iframe>