The question is asking about the second-largest linguistic unit in India after Hindi.

Option 1: Bangla

Bangla, also known as Bengali, is the official language of the Indian state of West Bengal and is widely spoken in the neighboring state of Bangladesh. It is one of the major languages in India and has a significant number of speakers, making it a strong contender for being the second-largest linguistic unit in the country.

Option 2: Marathi

Marathi is the official language of the Indian state of Maharashtra and is spoken by a large population in the state. While Marathi is widely spoken, it may not be as widely spoken or have as many speakers as Bangla, making it less likely to be the second-largest linguistic unit in India.

Option 3: Telugu

Telugu is the official language of the Indian state of Andhra Pradesh and Telangana. It is one of the Dravidian languages and is widely spoken in southern India. While Telugu is a significant language in India, it may not have as many speakers as Bangla.

Option 4: Urdu

Urdu is a language primarily spoken in Pakistan and some parts of India. While it has a significant number of speakers in India, it may not have as large