India, Oct. 18 -- The Bal Thackeray case underscores the distinction between political criticism and statements that may constitute corrupt electoral practices under the law.

In Indian democracy, political leaders have every right to criticise the government, debate religious and social ideas, and question the functioning of institutions ranging from the Election Commission to the Supreme Court. But are there no limits to this right? Can attempts to mobilise religious and caste sentiments to win elections, create hostility towards opposing communities, or conduct aggressive political campaigns against constitutional institutions also be justified in the name of freedom of expression?

These questions are important because a prominent pol...