navi mumbai over 30 lockers of a bank were broken open and cleaned out at juinagar in navi mumbai by robbers who entered the strong room through the floor after digging a 40ft tunnel from a shop rented in the same building initial estimates for the weekends robbery stood at rs 15 crore on monday eveningthe tunnel started at balaji general store shop no 7 on the ground floor of bhakti residency building in sector 11 it went 5ft down around 30ft under two more shops to the left and rose about 5ft again into the locker room of the bank of baroda tucked away behind the atm in the space for shop no 4 the bank occupies shops 14 interestingly the shop next to balaji is occupied by a security agencythe robbery was discovered when the bank opened on monday police believe the gang reached the room by friday broke open the lockers with gas cutters and decamped with the loot over the weekend six teams have been formed to track the robbers suspected to be from jharkhand going by a similar robbery in nerul earlier this year cops said the plan started over six months ago when shop no 7 was rented by one gena bachchan prasadafter running the shop for a few months prasad said he was unwell and going to his native jharkhand in september for treatment two caretakers would manage his shopin these two months the burglars dug the 40ftlong and 3ftwide tunnel during night hours they collected the debris and dumped them daily in the morning on the open ground opposite the building without attracting any suspicion said acp turbhe division kiran patil nobody on the floors above in the residential building claimed to have heard them digging going by the dimensions of the tunnel it is expected they had to clear debris that would fill four 8tonne bmc dumpers the gang police sources said an operation of this scale must have included multiple members fixed ply sheets to the tunnel ceiling and used bamboos to prop them up to prevent debris from closing it the gang also knew the banks layout well but they could not break open the banks main safe vault in the treasury roomwe have collected muddy footprints of the burglars in the locker room we have got leads about the suspects six teams from zone 1 police stations including the crime branch are tracking them said patilthe robbery is suspected to have been committed by a gang from jharkhand the modus operandi is similar to that used by the jharkhand gang arrested for looting mayura jewellers see box in nerul in may 2017 navi mumbai said dcp zone 1 sudhakar pathareread this story in marathithe police said there was cctv camera on the bank premises but not in the locker room images from a camera installed near the buildings gate just outside the bank are not clear enough to identify persons standing near balaji store which is