New Delhi, March 22 -- Dravida Munnetra Kazhagam (DMK) lawmaker Tiruchi Siva has said that it is incumbent on the Union government to explain the process of delimitation or redrawing of constituencies and address concerns of states that have followed the population control measures and are apprehensive that the impending exercise might affect their strength in the Lok Sabha.

In an interview to Hindustan Times, the Rajya Sabha lawmaker accused the government of opting for silence instead of addressing the issues being raised by the southern states including Tamil Nadu. Edited excepts:

The delimitation exercise as per the Constitution has to be done on the basis of population. Now, the population has risen, but after 2011 there has been no ...