Friday's quarterfinal between Army Red and Bengaluru United was called off after an Army Red player tested positive for COVID-19.
Nigerian striker Chisom Elvis Chikatara scored a hat-trick as the holders thumped Assam Rifles 7-2.
Blasters, who have three points from two matches, take on Delhi FC in their final group game on September 21.
Hyderabad FC thumped Assam Rifles 5-0 in another Group D match.
Uruguayan midfielder Adrian Luna scored the winner off a penalty in the 70th minute.
The 26-year-old has played for top clubs in countries such as Nigeria, Morocco, Egypt, Bahrain, and Iraq.
The Afghan national team member played a pivotal role in the Malabarians’ maiden I-League title triumph last season.
The 30-year-old center-back is an experienced player, who has plied his trade in Cameroon, Tunisia, Algeria, Guinea, and Saudi Arabia.
The Indian Super League side will be making its debut in the prestigious football tournament.
The 26-year-old center-back from Delhi brings in a wealth of experience as he has featured in both the Indian Super League and I-League.