Final answer:
The greeting 'Namaste' is commonly used in Hindi, which is an official language of India.
Step-by-step explanation:
Namaste is a greeting in Hindi, which is an official language of India. The correct answer to your question is a) Hindi. Hebrew, Hmong, and Hungarian are languages that are not associated with India. Hindi, along with English, serves as the lingua franca and is used by the government. It is important to note that the sacred texts known as the Vedas are a collection of hymns and rituals from ancient India, primarily written in Sanskrit, which predate modern Hindi but have deeply influenced Hindu culture and practices within India.