The festival during which people decorate their homes with colorful rangolis:

Onam
Pongal
Ugadi
Makara Sankranti

The correct answer is: D) Makara Sankranti

Makara Sankranti is a Hindu festival celebrated in India and other parts of South Asia. It marks the beginning of the harvest season and is a time for thanksgiving and celebration. People decorate their homes with colorful rangolis, which are intricate designs made from rice flour or sand. They also fly kites, eat special foods, and visit temples.

Onam is a Hindu festival celebrated in the state of Kerala in India. It is a harvest festival that marks the homecoming of the legendary king Mahabali. People celebrate Onam by decorating their homes, exchanging gifts, and feasting on traditional foods.

Pongal is a Hindu festival celebrated in the states of Tamil Nadu, Andhra Pradesh, Telangana, Karnataka, and Puducherry in India. It is a four-day harvest festival that marks the beginning of the Tamil month of Thai. People celebrate Pongal by cleaning their homes, decorating them with flowers and rangolis, and cooking traditional foods.

Ugadi is a Hindu festival celebrated in the states of Andhra Pradesh, Telangana, Karnataka, and Maharashtra in India. It marks the beginning of the Telugu calendar year. People celebrate Ugadi by eating a special dish called pachadi, which is made from a mixture of six different fruits and vegetables. They also decorate their homes with flowers and rangolis.