New Delhi, May 5 -- The Congress-led-UDF's sweep in Kerala was especially visible in the state's regions with significant minority population. The UDF had a vote share of 51.9% and 50.2% in constituencies in districts having significant Muslim and Christian population in the state respectively, compared to 42.1% in the rest of the state. Since seat-wise religious data is not available, this analysis uses district-level Census 2011 data as a proxy, taking seats in districts where Muslims or Christians account for more than 30% of the population. This is an imperfect measure of voter demography, but it helps test whether the UDF's gains were also concentrated in places where Kerala's two largest minority communities are demographically import...