Harappa is the name of the ruins of an immense capital city of the Indus Civilization, and one of the best-known sites in Pakistan, located on the bank of the Ravi River in central Punjab Province.

Underground water channels locally known as qanat or kariz are one of the oldest systems of irrigation in Pakistan Baluchistan.

Constitution of the Islamic Republic of Pakistan 1956, was promulgated on 23rd March 1956.

Constitution of the Islamic Republic of Pakistan 1962, was promulgated on 8^th  June 1962.

Constitution of the Islamic Republic of Pakistan 1973, was promulgated on 14th August 1973.

Pakistan's coastline is about 990 or 1046 km long, bifurcated in two parts, Sindh Coast (270 km) and Makran Coast (720 km).

if you find in paper 1046kms then that is right answer.