India, Feb. 28 -- Karnataka chief minister Siddaramaiah on Thursday added to the growing clamour around the impending delimitation of Lok Sabha seats while his Tamil Nadu counterpart MK Stalin upped the ante over the emotive issue of Hindi language, fuelling the controversy on two contentious issues that have the potential to widen the chasm between India's northern and southern regions.

In a series of posts in Kannada, Siddaramaiah hit back at Union home minister Amit Shah, who had dismissed the row a day ago and said no southern province will suffer a reduction in their parliamentary representation. "The Union home minister Amit Shah's statement that he will not allow injustice to be done to the southern states during the delimitation ...