Odisha FC has reached an agreement with Victor Mongil which will see the ISL winner playing for the Bhubaneswar-based side in the eighth edition of the league.
Bertrand adds valuable know-how to Brendan Rodgers' Foxes squad ahead of a campaign which will also include UEFA Europa League football.
The 22-year-old Frenchman has signed a 5-year-deal and will join up with his new Foxes teammates for the start of pre-season later this month.
Wednesday will see Manchester United in their very first cup final in the Solskjaer era and the Norwegian will need all the help he can get.
The Gunners did win their match against Brighton and Hove Albion but it was not enough to see them through to Europe.