Consider the following statements Sangha Kols and Audambars inhabited the Chamba region in 2nd century BC. In 1770 AD, Chamba came under the Sikhs. Which of the following statements is/are correct?

The correct answer is C. Both 1 and 2.

Sangha Kols and Audambars inhabited the Chamba region in 2nd century BC. This is a well-established fact, supported by archaeological evidence. In 1770 AD, Chamba came under the Sikhs. This is also a well-established fact, supported by historical records.

Therefore, both statements are correct.