The Commission said the ban or "restriction" on exit polls will also be applicable for elections to Andhra Pradesh, Odisha, Sikkim and Arunachal Pradesh Assemblies which are being held along with Lok Sabha polls.
The exit polls will be banned from 7 AM on April 7 when polling in the first phase starts till 6.30 PM on May 12 when the polling in the ninth and last phase ends.
The Commission has also banned the publication of results of any opinion polls 48 hours before polling in respective areas.
The poll panel had proposed that there should be a prohibition on publication and broadcast of the results of opinion polls starting from the date of notification of elections till the completion of the last phase of polls to Lok Sabha and state Assemblies.