Section 26A(b) in The Companies (Indian Accounting Standards) Rules, 2015
(b)shall measure the non-current asset (or disposal group) by following the requirements in paragraph 15 (if reclassified as held for sale) or 15A (if reclassified as held for distribution to owners) and recognise any reduction or increase in the fair value less costs to sell/costs to distribute of the non-current asset (or disposal group) by following the requirements in paragraphs 20-25.