78 in Rule (12), the decryption key holder shall within the period mentioned in the decryption direction-(a) disclose the decryption key; or (b) provide the decryption assistance, specified in the decryption direction to the concerned authorised person. 18. Submission of the list of interception or monitoring or decryption of information.— (1) The designated officers of the intermediary or person incharge of computer resources shall forward in every fifteen days a list of interception or monitoring or decryption authorisations received by them during the preceding fortnight to the nodal officers of the agencies authorised under Rule (4) for confirmation of the authenticity of such authorisations. (2) The list referred to in sub-rule (1) shall include details, such as the reference and date of orders of the concerned competent authority including any order issued under emergency cases, date and time of receipt of such order and the date and time of implementation of such order. 19. Intermediary to ensure effective check in handling matter of interception or monitoring or decryption of information.— The intermediary or the person in-charge of the computer resource so directed under Rule (3), shall provide technical assistance and the equipment including hardware, software, firmware, storage, interface and access to the equipment wherever requested by the agency authorised under Rule (4) for