Mumbai - BEST to purchase electric midibus which runs on six batteries. The meeting was held on Thursday, in which proposal was signalled green. Buses are scheduled to be purchased by 2017. BMC has alloted Rs 10 crore from it's fund to BEST. Out of six buses four would be midibuses and two will be bigger ones. Midibus can accomodate 34 passengers. These buses can travel upto 180 km in three years time span.