Explanation:

Nageswar is a mature Harappan site located in the Kutch district of Gujarat, India. This site is notable for being a specialized center for producing objects made from shell. The Harappans used these shells to craft bangles, beads, rings, and other ornaments. Given its coastal location, Nageswar had access to marine resources, making it an ideal location for shell-based industries. Thus, the statement that Nageswar was a specialized center for making shell objects during the Harappan period is  correct