Kalam-series engines
The Kalam-series engines are a set of five solid-propulsion carbon composite rocket engines being developed by Skyroot Aerospace. The engines are named after India’s former President APJ Abdul Kalam. They are to be used in conjunction with the Raman Engine during the launches of Vikram-series small-lift launch vehicles. List of engines 
 Kalam 5
 Kalam 80
 Kalam 100, to power the third stage of Vikram 1. Kalam 250
 Kalam 1000

References 

Rocket engines of India