There is no compulsion to sing the National Anthem. But you Must Respect it
There is no law requiring people to sing the national anthem. Furthermore, simply standing up in silence when the national anthem is sung is not considered rude or insulting. However, if someone causes any kind of disruption while it is being played, it obviously raises eyebrows and he/she is liable for punishment, as stated by law. Section 3 of the Prevention of Insults to National Honour Act of 1971 allows for a three-year jail sentence or fine for "anyone knowingly hinders or creates disruptions to any assemblage engaged in such singing." Furthermore, Article 51-A(a) of the Constitution states that it is the obligation of every citizen to "abide by the Constitution and respect its principles a
One interesting fact about India is that it was the first country to develop sugar extraction and purification processes.