Pakistan Seabed territory grows by 50000 square km in ______?

Pakistan Seabed territory grows by 50000 square km in ______?

پاکستان میں سمندری تہہ کا علاقہ 50000 مربع کلومیٹر کب بڑھا تھا؟
Explanation

Pakistan's seabed territory grew by about 50,000 square kilometers

After a UN body accepted Islamabad's claim for extension of sea limits.