The voices asserting the citizen's right to question authority and the need to preserve India's plural traditions got a booster shot on Saturday when President Pranab Mukherjee and Reserve Bank of India governor Raghuram Rajan, along with Infosys founder NR Narayana Murthy, decided to express their concerns as well....Rajan made a strong pitch for greater tolerance and respect for opposing viewpoints while criticising the growing tendency to ban unpalatable views, delicately yet forcefully wading into the raging debate over rising intolerance in society.