Matching the sites with their locations: (a) Kalibangan is an Indus Valley Site located in Rajasthan. (b) Surkotada is an Indus Valley Site located in Gujarat. (c) Lothal is an Indus Valley Site located in Gujarat, near the Gulf of Cambay, famous for its dockyard. (d) Khizhadi (Keezhadi) is an archaeological site in Tamil Nadu, near Madurai, associated with the Sangam period.