RCF, in the first quarter-final, played at the Moin-Ul-Haq Stadium, trounced SSC Manipur 4-1, while the Kolkata outfit blanked Mizoram XI 4-0 in another.
RCF's Gurpreet Singh scored a brace (18th, 92nd) while teammate Balraj Singh (55th) and KC Singh (65th) netted one each in the one-sided encounter against the Manipur side.
Said-ur-Rahman scored the consolation goal for Manipur in the 77th minute .
In the other quarter-final, Nigerian Musa drew first blood for Southern Samitee in the 18th minute, while Shyam Kumar (54th), midfielder Bajemo Emmaneul (76th) scored apiece against the lackluster Mizoram XI.
Meanwhile, in tomorrow's quarter-finals, Bihar XI will lock horns with Sikkim and Indian Army, Kolkata will play George Telegraph.