Justice Chandrachud immediately lobbed the issue back to the government. People go to movie theatres to have undiluted entertainment. "Why should you presume that not singing the national anthem in a theatre makes a person anti-national?" "The CJI hinted that it may correct the order to make it optional rather than compulsory. Eventually though, the CJI left it to the government to take a call on whether to revise laws and rules to make singing of the national anthem mandatory in schools, colleges and other public institutions.
Source: Economic Times October 23, 2017 11:48 UTC