Medical expenses for treatment of major ailment (i.e. suffering from T.B., Cancer, Heart Disease, Kidney Disease, Eye Disease, Leprosy, HIV Disease and Nerve Disease) of beneficiaries who have been working as a building worker and their spouse or children under Clause (f) of sub section (1) of section 22 of the Act for Rs.2,000/- per annum and at such a maximum amount for disease for disease like Heart Disease, Kidney Disease etc. upto sum of Rs.45,000/- for each operation.