To answer this question, we need to understand the history of languages in India.
Option A) Telugu - This option is incorrect because Telugu is not the oldest Indian language.
Option B) Hindi - This option is incorrect because Hindi is not the oldest Indian language. Hindi is one of the most widely spoken languages in India today, but it is derived from Sanskrit and has evolved over time.
Option C) Tamil - This option is correct because Tamil is considered the oldest Indian language. Tamil has a rich history that dates back over 2,000 years and is one of the classical languages of India.
Option D) Punjabi - This option is incorrect because Punjabi is not the oldest Indian language. Punjabi is primarily spoken in the state of Punjab and is derived from the Indo-Aryan language family.
The correct answer is C) Tamil. This option is correct because Tamil is considered the oldest Indian language with a history that dates back thousands of years.