Answer : 1. "Harappa"
Explanation :

A seal of the Harappan period 'Harappa' is an ancient site on the left bank of the Ravi River in Montgomery district, located in the Punjab province of Pakistan. The first information about the ruins in Harappa was given by Charles Mansern in 1826 AD. In 1856 AD, the Brunton brothers clarified the archaeological importance of Harappa. To the south of the general habitation area of Harappa is located such a cemetery, which has been named 'Mausoleum R-37'. Madhoswarup Vatsa initially conducted the excavation here. Later in 1946 Wheeler also excavated here. A total of 57 burials have been found from the excavation here. Bodies were usually buried in a north-south direction, with the head facing north.