Sec. 28, 37 & 43 of Income Tax Act, 1961—Business Loss— Where assessee enters into forward contracts in foreign exchange in order to cover the loss arising due to difference in foreign exchange rate and/or valuation, is not of speculative in nature and was incidental to the assessee's regular course of business as such it was allowable as a trade loss, thus, the disallowance on the ground of speculative transaction requires to be deleted. - ARVIND METALS AND MINERALS PVT. LTD. V/s ASSTT. CIT - [2020] 81 ITR (TRIB) 648 (ITAT-KOLKATA)