New Delhi, Jan 13: Prime Minister Dr. Manmohan Singh today greeted the nation on the auspicious occasion of Lohri, Makar Sankranti, Bhogali Bihu and Pongal.

In his message, the Prime Minister said: "The harvest festivals of different parts of our country are an occasion to celebrate the bounty of nature and the colour and gaiety of the country."

Makara Sankranti marks the commencement of the sun''s journey to the Northern Hemisphere (Makara raasi), signifying the onset of "Uttarayana Punyakalam", and is a day of celebration all over the country. The day begins with people taking dips in the holy waters and worshipping the Sun.

Bhogali Bihu is a harvest festival celebrated in Assam, which marks the end of harvesting season in mid-January.

Pongal is a celebration of the prosperity associated with the harvest by thanking the rain, sun and the farm animals that have helped in the harvest. It is celebrated by Tamils. (ANI)