The four-day festival of Chhath Puja concluded with great reverence and fervor this morning with the offering of extracts to the Sun God. Thousands of men, women and children gathered at the ancient historical Bidkedar shrine of Kaithal city and stood in the shrine lake and offered prayers to the Sun God and wished his family happiness and peace.Devotees said that in the Vedas, the Sun God is considered the god of energy and vitality. Women observe a strict fast during Chhath and pray to Lord Surya and Chhathi Maiya for the well being, prosperity and progress of their family and children. They also offer Arghya to Lord Surya and Chhathi Maiya. This festival is unique to Bihar, Jharkhand and eastern Uttar Pradesh in India and Nepal.Devotees offer Arghya during Chhath Puja and pray to Lord Surya and Chhathi Maiya to get their blessings and offer Arghya to Surya Dev for the prosperity and welfare of their children and family members. While worshiping Lord Surya, devotees also chant the mantras of Rigveda. It is also said that the sages of the Vedic age used to perform Chhath Puja by exposing themselves to direct sunlight to get energy from the rays of the sun.