Various high courts have dismissed petitions filed against demonetisation of Rs500 and Rs 1,000 notes.

This comes ahead of the Supreme Court likely hearing on November 15 a plea challenging the government decision to withdraw 500 and 1,000 rupee notes in its crackdown on blackmoney, corruption and counterfeit currency.

The Centre has already filed a caveat in the apex court that it be heard if the court entertains any petition on demonetisation.

Madurai bench of Chennai high court, Allahabad high court and Karnataka high court dismissed petitions after hearing the argument on merit, officials said.

Karnataka HC has made certain strong observation, saying that effort of the government in nation building should not be defeated in any manner.

While passing the order dismissing the writ petition the high courts have upheld the government decision after hearing the argument on merit, they said.