(2) Every inmate of a leper asylum who contravenes any of the provisions of such regulations is liable to such punishment as in the said regulations may be prescribed for the breach thereof. However, such punishment shall consist of all or any of the following means only—reduction of diet for not longer than 7 days, change of diet, extra employment, prohibition of receiving visits from relatives and friends, deprivation of tobacco, and solitary confinement for not longer than 3 days.