Mohali, June 20 -- Greater Mohali Area Development Authority (GMADA) and municipal corporation have not learnt any lessons from the recent borewell death of a toddler in Sangrur as 343 manholes and road gullies are lying gaping in sectors 76 to 80, which falls under GMADA, thus posing a grave threat to the lives of bikers, cyclists, and pedestrians. Similarly, in sectors and phases under the municipal corporation, several manholes are lying open. Most of the uncovered holes are in residential areas....