Wikipedia
Kankar (kunkur) is a sedimentological term derived from Hindi occasionally applied in India and the United States to detrital or residual rolled, often nodular calcium carbonate formed in soils of semi-arid regions.
It forms sheets across alluvial plains and can occur as discontinuous lines of nodular kankar or as indurated layers in stratigraphic profiles more commonly referred to as calcrete, hardpan or duricrust.
Kankar (lit. pebble) is a 2013 Pakistani drama television serial aired on Hum TV from 31 May 2013. It is directed by Aabis Raza and written by Umera Ahmad. The serial stars Fahad Mustafa, Sanam Baloch, Ismat Zaidi, Behroze Sabzwari and Shakeel.
"Kankar" is going to air on Zindagi ( India) from 13 April 2016 every Monday to Saturday night 9:50pm.