Section 5(7)(a) in The Bureau Of Indian Standards (Certification) Regulations, 1988
(a)If, at any time, there is some difficulty in maintaining the conformity of the product to the specification or the testing equipment goes out of order, the marking of the product shall be stopped by the licensee, under intimation to the Bureau. The marking may be resumed as soon as the defects are removed and information regarding such resumption of marking be sent to the Bureau, immediately thereafter.