State-owned Punjab National Bank (PNB) said in a regulatory filing that the "Board of the Bank has approved participation in the proposed Rights Issue of Druk PNB Bank Ltd (DPNBL), an overseas subsidiary of the Bank, for an amount of Rs 72,82,80,000 at premium of Rs 7 i.e., Rs 17 per share." Further, it said that the number of shares will be 4,28,40,000.