I don't know about that, but you can get arrested for PDA in India. Under section 294 of the Indian Penal Code, causing annoyance to others through "obscene acts" is a criminal offence with a punishment of imprisonment up to 3 months or a fine, or both. read more
When you are arrested, you are taken into custody. This means that you are not free to leave the scene. Without being arrested, you can be detained, however, or held for questioning for a short time if a police officer or other person believes you may be involved in a crime. read more