Ireland's director of high performance, Graham West, confirmed the series on Thursday.
Samson parted ways with RR to join CSK before the IPL 2026 retention last November.
Abhishek Sharma made two fifties in the T20 World Cup, including a 21-ball 52 in the final.
Arshdeep later apologized to Mitchell after India defeated New Zealand in T20 World Cup final.
Shivam Dube played a key role in India's T20 World Cup title defence.
RCB will face SRH in the IPL 2026 tournament opener on March 28 in Bengaluru.