Italian striker Moise Kean, who joined Everton from Juventus in 2019, has now returned to the Serie A side in a two-year loan deal.
The Belgian bagged 24 goals last season and helped Italian club Inter Milan win their first league title in over a decade.
Devrani had turned out for FC Pune City in the inaugural edition of the ISL in 2014, and now makes his comeback to the competition seven years later.
Winger Demarai Gray has agreed a three-year contract with Everton until the end of June 2024 with the option for a fourth year.
Andros Townsend, who was available on a free transfer after his contract with Crystal Palace expired, is reunited with Everton boss Rafael Benitez.
Rafa Benitez expects Everton to benefit from an electric Richarlison this season, with the Brazilian intent on repaying the Club for giving the green light to his Olympic dream.
Manager Rafael Benitez says he is determined to shape an Everton side that “fights for the shirt from the first minute to the last”.
The global sports brand is looking at this partnership as an avenue to invest in Indian football and further explore new paths to develop the sport in India.
Spaniard Rafael Benitez, who is best known for his success at Liverpool, is now manager of their biggest domestic rival Everton.
The 61-year-old Spaniard, who spent six years at Everton's Merseyside rivals Liverpool, replaces Carlo Ancelotti on a three-year deal.