Which language family has the largest speakers in India?

Correct option is B

Introduction
The Indo-European language family, specifically its Indo-Aryan branch, is the largest and most widely spoken language family in India. Languages like Hindi, Bengali, Marathi, and Punjabi, which are spoken by the vast majority of the Indian population, belong to this family.
Information Booster
· Language Family: Indo-European.
· Indian Branch: The Indo-Aryan sub-branch is the largest within this family in India.
· Key Languages: Includes most languages of North, West, and East India, such as Hindi, Bengali, Marathi, Gujarati, Punjabi, and Urdu.
· Proportion: Spoken by over $75\%$ of India's population.
· Second Largest: The second largest family is the Dravidian family (spoken primarily in South India).
Additional Points
· Sino-Tibetan: Spoken by a small percentage of the population, mainly in the Himalayan and North-Eastern regions.
· Austric: Spoken by tribal groups in Central and East India; a very small percentage.
· Dravidian: The second largest language family, mainly spoken in South India (e.g., Tamil, Telugu, Kannada, Malayalam); the number of speakers is significantly less than that of the Indo-European family.