We can stem the rot only when we realise that voters are being short-changed. I wonder whether it is within the jurisdiction of the Supreme Court to set matters right. But the issue need not go to the court if mainstream parties unite to offer voters the freedom to express themselves on every candidate. It is in their self-interest to do this. That is the only way they can free themselves from the blackmail of splinter groups.
The writer is a former director of IIT, Madras