" capital under the terest on sums paid proviso to section by the State Govern 59; ment in pursuance of (viia) the write guarantees under down of amounts in s.66; respect of intangi ble assets to the (v) payment of in to which they are terest on loans actually appropria advanced to the ted in any year for the Board by the State for the purpose in Government under the books of the section 64 or deemed to be Board; advanced under sub (viii) contribution section (2) of to general reserve section 60; of an amount not (vi) repayment of exceeding one half principal of any loan of one percentum guaranteed by the per annum of the State Government original cost of under section 66 which be fixed assets empl come due for payment oyed by the Board in the year or which be so however that the come due for payment total standing to in any previous year the credit such and has remained reserve shall not unpaid; exceed fifteen per centum of the orig inal cost of such (vii) repayment of fixed assets; principal of any loan (ix) interest on advanced to the Board loans 643 advanced or deemed under section 64 which be to be advanced to comes due for payment the Board under section in the year or which be 64 including arrear came due for payment of such interest; in any previous year (x) the balance to and has remained be appropriated to unpaid; and if any fund be called the balance amount is left Development Fund thereafter, the same to be utilised for shall be utilised for (a) purposes bene the other purposes ficial, in the opi specified in section 59 nion of the Board, in such manner as the to electrical deve Board may decide.