"...the result was Bindu, which signified his rebirth as a painter. The Bindu came forth in 1980, and took his work deeper and brought in his new-found Indian vision and Indian ethnography... [an elementary teacher who found] him lacking adequate concentration, drew a dot on the blackboard and asked him to concentrate on it. After the introduction of Bindu (a point or the source of energy), he added newer dimensions to his thematic oeuvre in the following decades..." Wikipedia