Here are some common greetings in different Indian languages:
* Hindi: "Namaste" (नमस्ते) - a respectful greeting, often accompanied by a slight bow of the head.
* Bengali: "Noom shubho" (নমস্কার) - a common greeting, meaning "good morning" or "hello".
* Marathi: "Namaskar" (नमस्कार) - similar to "Namaste".
* Tamil: "Vanakkam" (வணக்கம்) - a respectful greeting.
* Telugu: "Namaskaram" (నమస్కారం) - similar to "Namaste".
* Gujarati: "Kem chho?" (કેમ છો) - translates to "How are you?", used as a greeting.
* Punjabi: "Sat Sri Akal" (ਸਤ ਸ੍ਰੀ ਅਕਾਲ) - a Sikh greeting.
* Malayalam: "Namaskaram" (നമസ്കാരം) - similar to "Namaste".
The best way to greet someone in India is to learn a greeting in their language or use "Namaste" which is widely understood.