It seems that the Mumbai Metropolitan Region Development Authority which is constructing several metro corridors in Mumbai and Mumbai Metropolitan Region as after the residents of western suburbs in Mumbai who have been demanding underground metro line 2 B between D N Nagar to Mandale , the Thaneites want the metro line four between Wadala- Thane - Kasarvadevli to go underground as the construction is leading to traffic chaos , increased pollution and locals have also been alleging that there ambiguity in the public hearing.

The residents of Thane have been alleging that the authorities are not taking public's view under consideration and so citizens have come together to demand the metro to go underground. In order to study the awareness of Metro 4 among the citizens, Thane's youth group, Muse, conducted a comprehensive survey covering more than 1000 people.