Sanskrit is not an official language of India, although it is a classical language of India.

Hindi is the most widely spoken official language of India, with over 40% of the population speaking it as their first language.

Tamil is the official language of the state of Tamil Nadu, and is spoken by over 70% of the population.

Marathi is the official language of the state of Maharashtra, and is spoken by over 70% of the population.

Bengali is the official language of the state of West Bengal, and is spoken by over 80% of the population.

Kannada is the official language of the state of Karnataka, and is spoken by over 60% of the population.

Telugu is the official language of the state of Andhra Pradesh, and is spoken by over 80% of the population.

Telugu is the official language of the state of Telangana, and is spoken by over 70% of the population.

Malayalam is the official language of the state of Kerala, and is spoken by over 90% of the population.

Odia is the official language of the state of Odisha, and is spoken by over 80% of the population.

Punjabi is the official language of the state of Punjab, and is spoken by over 80% of the population.

Gujarati is the official language of the state of Gujarat, and is spoken by over 80% of the population.

Hindi is the official language of the state of Rajasthan, and is spoken by over 80% of the population.

Hindi is the official language of the state of Madhya Pradesh, and is spoken by over 80% of the population.

Hindi is the official language of the state of Uttar Pradesh, and is spoken by over 80% of the population.