(1) Where an officer who was suffering from pulmonary tuberculosis attributable to or aggravated by service and who on completion of leave rejoined duty having been found fit for retention in service is retired therefrom on account of a relapse of the disability within a period of five years form the date of rejoining, he shall be eligible for a disability element appropriate to the degree of disablement as accepted on the date he was found medically fir for retention in service.
(2) The grant of a disability element under sub-regulation (1) to an officer shall be in addition to the service element of disability pension which would have been admissible to him if he had been invalided on the date immediately prior to the date of rejoining duty or, the service pension based on the total length of qualifying service rendered up to the date of retirement, whichever is greater:
Provided that if he is retired from service on account of the relapse of the disability after a period of five years form the date of rejoining, the disability pension admissible shall be regulated by these Regulations.