Mumbai, July 7 -- After a track relaying train (TRT) derailed near the Nerul station on the Central Railway's Harbour line at 4:20pm on Sunday, train services on the Vashi-Belapur route-a crucial rail corridor connecting Navi Mumbai to Mumbai-were suspended from 4:30pm onwards, said CR authorities. At 9:15pm, the issue remained unsolved and a 140 tonne crane was being moved to the site. The CR had scheduled one of its regular Sunday mega blocks from 11:05am to 4:05pm between Panvel and Vashi for engineering and maintenance works aimed at strengthening the rail system. However, officials said that they encountered a technical problem between Seawoods Darave and Nerul. CR officials said an accident relief train reached the site, between Seawoods Darave and Nerul in Navi Mumbai, at 5:30pm and efforts to re-rail the TRT were underway, but heavy rains in the region were delaying the process. According to CR officials the TRT had finished maintenance work near Nerul and was returning to Kurla when the incident occurred. CR in the meantime provided train services operating in three rail corridors along the Harbour line-CSMT-Vashi-CSMT, Belapur-Panvel-Belapur, and Thane-Nerul-Thane....