Krunal, the 27-year-old left-arm spinner and lower-order batsman, has been named as Sundar's replacement in the T20I side, while Axar Patel, another left-arm spinner and handy batsman, has been brought in for the ODI series.
Bumrah fractured his thumb during India s first of two T20 matches against Ireland last week, and was ruled out of the upcoming England series.More news: Dramatic footage released of emaciated Thai boys in cave
Sundar had suffered an injury to his right ankle during the team's training session in Dublin on Tuesday.
It is a huge blow for Team India as Bumrah is the only bowler along with Yuzvendra Chahal to feature in the top 10 T20 bowlers in the ICC T20I rankings.More news: Environment Canada issues heat warning for Simcoe County
Chahar is now playing for India A squad in England in the 50-over tri-series, featuring England Lions and West Indies A. He has been India A's leading wicket-taker with seven wickets in three matches at an economy rate of just over 4.
India look well set to take on the mighty confident England side.More news: DEVELOPING: 2 Workers Shot at Kansas Elementary School, Search for Suspect Underway
The selectors have also included Rishabh Pant in the India A squad for the four-day matches. Now a member of the India A's squad for the one-day games, Pant will continue to be with the side for the longer format too. Other fast bowling options in the T20 squad are Bhuvneshwar Kumar, Umesh Yadav, Siddarth Kaul, Hardik Pandya and Deepak Chahar.