its manik engine
https://www.google.com/url?sa=i&url=https%3A%2F%2Ftwitter.com%2Fstrategic_front%2Fstatus%2F1451747721568739329&psig=AOvVaw3UMov4-E7OjXpdNYhVPKbl&ust=1645440008700000&source=images&cd=vfe&ved=0CAsQjRxqFwoTCPDqge-LjvYCFQAAAAAdAAAAABAO
150 km range missile can't be a rival to the s-400
Indias xr-sam has 350 km range and is tested 2 times successfully .
https://en.wikipedia.org/wiki/Solid_Fuel_Ducted_Ramjet
The government is realizing that navy is absolutely crucial for a rapidly growing economy like India to protect the countries interest. We can clearly see that in this years defense budget