<P> The polling in RR Nagar was postponed to 28 May 2018 and the counting of votes was done on 31 May 2018 . </P> <P> The Karnataka Legislative Assembly election sparked criticisms from Tamil Nadu over the Karnataka's government for not addressing the issue on properly and for its delay in setting up a Kaveri Management Board . The Supreme Court also issued a strict notice to the Karnataka state government for using the Karnataka Legislative state election as an excuse to resolve the Kaveri riverwater crisis with Tamil Nadu cannot be acceptable . The election was one of the hottest points considered by the critics for the future of Karnataka in dealing with the rivals, Tamil Nadu over the Kaveri River water dispute . </P> <P> The Bharatiya Janata Party (BJP) officially began its election campaign on 2 November 2017 . The party spent 85 days covering all the assembly constituencies, culminating in Bangalore on 4 February 2018, with Prime Minister Narendra Modi addressing it . In early March, the party launched a 14 - day Protect Bengaluru March travelling across Bangalore aimed at, according to the party, "reviving" and "rebuilding" the city from Indian National Congress' "criminal neglect". </P> <P> In December 2017, the Karnataka Pradesh Congress Committee, although not part of the election campaign, undertook a task of setting up booth - level committees at 54,261 locations in the state which will be responsible to disseminate information on various programmes of the ruling Indian National Congress and their implementation . The move was seen as an "extensive outreach programme" preceding the elections . </P>

How many seats required to make a government in karnataka