Hindi:
* Namaste: This is the most common greeting in Hindi, meaning "I bow to the divine in you." It's used for both hello and how are you.
* Kya haal hai? This literally translates to "How is the state/condition?" and is a more informal way to ask "How are you?"
* Aap kaise hain? This is a formal way to ask "How are you?"
* Kya chal raha hai? This translates to "What's happening?" and is a casual way to say "How are you?"
Other Languages:
* Vanakkam (Tamil)
* Namaskaram (Telugu)
* Shubh prabhat (Marathi)
* Subho prabhat (Bengali)
* Su-pranam (Malayalam)
English is also widely spoken in India, so "Hi, how are you?" is perfectly acceptable.
Tips:
* Use "Namaste" for a respectful and polite greeting.
* Use "Kya haal hai?" or "Kya chal raha hai?" with friends and family.
* Use "Aap kaise hain?" for formal situations.
* Remember to smile and make eye contact when greeting someone in India.
It's always a good idea to learn a few local phrases, even if you are only visiting India for a short time. It shows respect for the local culture and can help you connect with people.