INDIAN HISTORY

Detailed explanation-1: -In Surkotada, the citadel and lower town were joined together. Like Kalibangan, the citadel and the town were fortified, each having independent entrances in the South and also an intercommunicating gate.

Detailed explanation-2: -The cities in Harappa were divided into two parts-one part smaller and raised above the ground called the citadel, and the other bigger called the lower-town. The bigger area situated below the citadel was called the lower town. It had all the residential buildings and public facilities.

Detailed explanation-3: -Kalibangan, ancient site of the Indus valley civilization, in northern Rajasthan state, northwestern India. The site contains both pre-Harappan and Harappan remains, and therein can be seen the transition between the two cultures.

Detailed explanation-4: -Kalibangan name translates to “black bangles” ("Kālā", in Hindi, means black and “bangan” means bangles). A few miles downstream is the railway station and township named Pilibangā, which means Yellow Bangles.