Which of the following statements about the 'Gotra' practice in ancient India is true?

People belonging to the same gotra were regarded as descendants of the person after whom the gotra was named.

The correct answer is Option 2- People belonging to the same gotra were regarded as descendants of the person after whom the gotra was named.

The other statements are incorrect:

Men and women were not expected to marry within the same gotra. In fact, it was considered to be incest.
Women retained their father's gotra after marriage.
Each gotra was not named after a famous king. Gotras were named after Vedic seers and other mythical figures.