Under-19 players and staff will meet-up at Loughborough University in Leicestershire, England, on Sunday for the week-long training which includes two behind-closed-door games on Tuesday and Friday.
A number of League of Ireland players will return to their clubs before the end of the camp.
Mohan has hosted numerous homebased and UK-based assessment days and training camps to explore options available to him with his team in qualification action in November in Bulgaria.
Ireland will take on Bulgaria, Bosnia & Herzegovina and Montenegro in the first round of the UEFA European Under-19 Championship qualifiers.
Republic of Ireland Under-19 training squad:
Goalkeepers: Arlo Doherty (Leicester City), Owen Mason (Mansfield Town)
Defenders: Tayo Adarmalo (Crystal Palace), Val Adeokun (Brentford), Kian Corbally (St. Patrick’s Athletic), Bosun Lawal (Celtic), Jevon Mills (Hull City), Josh O’Brien (Watford), Aaron O’Reilly (Aston Villa), David Okagbue (Stoke City), Josh Seery (Preston North End), Reece Webb (St. Patrick’s Athletic).
Midfielders: Evan Caffrey (UCD), Cian Coleman (Leeds United), Cristiano Fitzgerald (Boavista), Jack Francis (Arsenal), Oisin Gallagher (Lincoln City), Ben McCormack (St. Patrick’s Athletic), Ed McJannett (Luton Town).
Forwards: Sinclair Armstrong (QPR), Billy Brooks (Lincoln City), Zak Gilsenan (Blackburn Rovers), Cian Kavanagh (Waterford), Jonny Kenny (Sligo Rovers), Rio McEvoy (Bolton Wanderers), Jamie Mullins (Bohemians), Tommi O’Reilly (Aston Villa).