India has unity in diversity - we are land of many cultures, religions, languages. It takes just few words for anyone to spread hatred among these diversities. This I guess is the disadvantage of being a diversed nation.
India has been facing these problems for a long time, may be from the day India was born. Few recent cases that come to mind are...
Anti sikh riots Godhra case Post Godhra riots omnipresent Hindu-muslim riots Anti north-Indian remarks by MNS Tamil-Kannadiga problems
No government, no judiciary and no leader can solve these problems. Few leaders in fact can support the activities to divide people for vote politics.
Its the onus on people of our country to ignore such sparks and be restrained from these vote politics otherwise it will get tough to live in India among this chaos.