Applicability of tcs

"Scrap means waste and scrap from the manufacture or mechanical working of materials which is definitely not usable as such because of breakage, cutting up, wear adn other reasons."

So your mashroom Co. will also be liable to TCS u/s 206C.

Where the person collecting tax is a company or the CG or a SG, such person shall, in accordance with the provision of this swcction, deliver or cause to be delivered, within the prescribed time after the end of each financial year, such returns on computer media under the said scheme.

so your company needs to furnish return with in prescribed  time after the end of each FY.