The correct answer is: D. All of these.
Sarhul is a festival of sal trees. It is celebrated in the month of Chaitra (March-April) by the Santhals, Mundas, Oraons and other tribal communities of Jharkhand, Odisha, Chhattisgarh and West Bengal. The festival marks the beginning of the new year for these communities. On this day, people worship the sal tree and offer prayers for a good harvest. They also dance and sing songs in praise of the tree.
Tusu Parba is a harvest festival celebrated by the Santals in the month of Magh (January-February). It is also known as Makar Sankranti or Magh Bihu. The festival marks the end of the winter season and the beginning of the spring season. On this day, people celebrate the harvest and pray for a good year ahead. They also dance and sing songs in praise of the sun god.
Bandana festival is celebrated during Kartik Amavasya (November-December) by the Santhals in Jharkhand. It is a harvest festival and marks the end of the agricultural year. On this day, people celebrate the harvest and pray for a good year ahead. They also dance and sing songs in praise of the sun god.