Udhayanidhi Stalin, Tamil Nadu Sports Minister and Chief Minister MK Stalin's son, sparked controversy when he compared "Sanatana Dharma" with diseases like "dengue and malaria" - inviting sharp criticism from BJP, who termed his comments a 'call for genocide' - and dragged in the rest of the INDIA alliance, questioning whether the other members agreed with Mr Stalin's remark. The minister stands by his statement but has he created trouble for the united front?