GR and TORONTO should be introduced between Metros only as additional Trains.Other route GR and Toronto should be converted as SF/Expresses trains .
Madurai-Chennai Central Bi-Weekly TORONTO via Dindugal,Karur, Namakkal,Salem ,Jolarpettai,Katpadi and Arakkonam should be converted as Express Trains since No Trains are operated between these Cities in this Toronto Route.