India, Sept. 17 -- From September 20, the Mumbai Monorail will not be available until further notice. The Mumbai Metropolitan Region Development Authority (MMRDA) on Tuesday announced that the 20-km railway network will be temporarily shut to upgrade the system and ensure long-term reliability, following a string of disruptions over the last month due to technical snags.

Officials said the upgrade of the monorail network could take two months. Once done, though, services are expected to become more frequent-every 8-10 minutes compared with the current 20-25 minutes, officials added.

The decision to temporarily shut the network was taken on Saturday, following at least six incidents of service disruptions over the last month. MMRDA exped...