6. Every NBFC-D, shall invest and continue to invest in India in unencumbered approved securities valued at the price not exceeding the current market price of such securities an amount which shall, at the close of business or any day, not be less than 15% of the “public deposit”, as defined under sub-paragraph (xv) of paragraph 3 of these directions, outstanding at the close of business on the last working day of second preceding quarter; and