Hi @Eshwar
It might not be particularly easy to use multi-valued parameters in data-driven subscriptions, and if you only have a small number of subscriptions, I recommend using standard subscriptions.
Of course, if you want to use data-driven subscriptions, I can find some solutions for you, you can refer to these links, use hidden parameters or use functions in the query.
Passing multi valued parameters in Data Driven Subscription in SSRS
Solving SSRS Multi-value Parameter Data Driven Subscription Issue Step by Step
Best regards,
Aniya