(1)A government servant recruited before January 1, 1936, who has been granted special disability leave under rule 83, and whose domicile is elsewhere than in Asia, may be granted by the Governor, free passage by sea for himself, his wife and children to the United Kingdom, or to any port in Europe or in a British colony, dominion, or possession, and on the conclusion of such leave return passage to India, unless he takes leave other than leave on medical certificate in continuation of special disability leave, in which case return passage shall not be granted save with the special sanction of the Governor: provided that the cost of any passages granted under this rule shall not exceed the cost of passages between India and the United Kingdom.