Maharashtra Chief Minister Devendra Fadnavis had assured a full support to the project last week.
The project has also received the approval of the master plan lay-out, SBUT said in a release here.
"With the IOD in place, we are now one step closer to begin phase-wise construction," SBUT chief executive Abbas Master said.
After a redevelopment proposal is sent to the MCGM, it goes to its various departments for their approvals and remarks. These remarks are compiled in a letter and issued to the developer as "Intimation of Disapproval (IOD)".
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More than 60 dilapidated buildings in Bhendi Bazaar -- a densely packed area -- have so far been demolished and over 1,600 families shifted, a majority of them opting for residential transit homes.
The Trust has acquired more than 85 per cent of the buildings and received environment clearance from the Ministry of Environment and Forests (MoEF).
The project covers 3,200 tenements in 250 buildings and 1,250 businesses, all of which put together will involve 20,000 people.