"Parties have to go to the municipal corporation, police and various other agencies to get permissions for rallies and election campaign. The single window system will be activated in week's time Assembly-segment wise," she said.
Shaila said the Mumbai collectorate, which comprises parliamentary constituencies of Mumbai South and Mumbai South Central, has completed its preparations for the polls.
Mumbai South is currently represented by union minister Milind Deora while Mumbai South central is represented by Eknath Gaikwad (both Congress).
There are 12,84,130 male voters and 10,25,331 female voters, apart from 33 persons from the trans-gender community.
"There have been 6,54,356 deletions from the voter rolls," Shaila said. Those who have not registered as voters yet can do so till March 25.
A helpline for receiving complaints regarding code of conduct violations will be activated next week. On March 9, voters can verify their names and details in the voter roll with the help of block liaison officer at the polling stations.