However, the government insisted that the deadline for digitisation will not be extended and the transition period will vary from city to city.
"In order to not create inconvenience for the people, we are giving a transition time of 10 to 15 days depending on the ground level situation," I&B secretary Uday Kumar Varma said.
With the deadline for the second phase of digitisation having passed yesterday, nearly 25 percent TV viewing homes still have not installed Set Top Boxes (STBs) in 38 cities that were to be covered.
Officials said that Multi System Operators (MSOs) and broadcasters may switch off the signals in a phased manner depending on the situation in various cities.
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Officials said that there is a huge diversity in the ground level situation in various cities which the ministry would keep in mind while enforcing black outs.
As per the data with the ministry, seven of the 38 cities involved Ludhiana, Hyderabad, Faridabad, Allahabad, Amritsar, Chandigarh and Jodhpur have reported 100 percent digitisation while three others Thane, Meerut and Jaipur have reported figures of over 90 percent.
I&B officials said that they were coordinating with nodal officers in states to decide on the timing and manner of switch off of analogue signals which will result in blank TV screens for non digitised TV sets.