Section 43(1)(a) in The Central Goods and Services Tax Rules, 2017
(a)the amount of input tax in respect of capital goods used or intended to be used exclusively for non-business purposes or used or intended to be used exclusively for effecting exempt supplies shall be indicated in Form GSTR-2 [and Form GSTR-3B] [Inserted by Notification No. G.S.R. 249(E), dated 29.3.2019 (w.e.f. 19.6.2017).] and shall not be credited to his electronic credit ledger;