The new entrants to don the red and white jersey will be Jewel Raja, Sushil Kumar Singh, Syed Rahim Nabi, Nadong Bhutia and Miranda, who have all played for different teams in the first edition of Indian Super League held last year.
The Kolkata franchise also retained Denzil Franco, N Mohan Raj, Baljit Singh and Arnab Mandal to bolster the line-up.
"We are happy to have selected players aligned to our strategy of creating a competitive team. We believe that it is going to be another exhilarating season," co-owner Utsav Parekh said.