It had been decided to terminate the Andheri- CSMT local train at Mahim due to constant OHE tripping at Bandra station. Because of this, authorities took a call to move the train to Mahim, where the derailment occured. 50,000 compensation given to commutersFour compartment of Andheri - CSMT local train derailed at Mahim crossover on Friday. The local train services between Vadala and Andheri were effected for nine hours. In July, an engine coach of Mangala Express derailed near Kalyan railway station of the Central Railway.
Source: Hindustan Times August 26, 2017 18:56 UTC