Section 9(3)(d) in The Oil Industry Development Board Staff Provident Fund Rules, 2013
(d)If he was on leave on the 31st day of March of the preceding year and continues to be on leave and has elected to subscribe during such leave, or if he was on foreign service on the 31st March of the preceding year, by the deduction which he causes to be made in this behalf from his salary bill for that month.