2. From and out of the Consolidated Fund there may be paid and applied sums not exceeding those specified in column 3 of the Schedule, amounting in the aggregate to the sums of Taka ninety-six crores ninety-eight lakhs and ninety-three thousand towards defraying the several charges which will come in course of payment during the period beginning on the first day of July, 1977, and ending on the thirtieth day of June, 1978, in respect of Bangladesh Railways for the services and purposes specified in column 2 of the Schedule.