Skyroot Aerospace (an Indian aerospace startup ) is ready to launch its first launch vehicle Vikram-S, which is the suborbital version of Vikram-1.
What are the differences in flight hardware between Vikram-S and Vikram-1?
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From this news article (emphasis mine)
The Vikram-S rocket is a single-stage sub-orbital launch vehicle which would carry ...
Key takeaways are single stage and sub orbital.
From this tweet it appears that it has spin stabilization (in or after some stage). This tweet indicates that it has a single solid stage.
From this article (emphasis mine)
... has successfully built and tested ... cryogenic, hypergolic-liquid, and solid fuel-based rocket engines...
The future orbital rocket is likely to have cryogenic / liquid stages also.
According to Wikipedia (emphasis mine)
The Vikram I, first rocket in the series, has three solid fuel-powered stages ... and the final stage is Raman engine. The Raman engine is powered by MMH and NTO liquid fuels ...
