By virtue of this win, Md Sporting sailed into the main draw of the tournament beginning from September 19.
Gadimch netted two goals in the first half in the one-sided match at J R D Tata sports complex.
Md Sporting went all out and made forays into the rival citadel right from the kick-off as Gadimch gave the Kolkata outfit lead in the 37th minute.
Gadimch, who was apparently in good form, struck again and converted an accurate crosspiece five minutes later before registering his hat-trick two minutes after the half time.
Asim Biswas made the scoreline 4-0 in favour of Md Sporting just two minutes from the final whistle.
Md Sporting garnered six points from two wins to top the chart.
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Earlier, Md Sporting trounced Aizawl FC 6-1 in the qualifying round opener on last Tuesday.
Kalighat Milan Sangha, Kolkata had already moved into the main draw of the tournament.
The Steel city of Jamshedpur will host the Group A and D league matches of the 34th Federation Cup commencing from September 19.