Devotees sitting with food and lamps at the Lokonath Temple of Mirzajangle, Sylhet. Lokenath Brahmachari, who is called Baba Lokenath, was an 18th Century Hindu saint and philosopher in Bengal. During this religious festival, which is also known as Kartik Brati, Hindus fast and offer prayers by lighting oil lamps and candles. Throughout the country, thousands of devotees also visit temples to pray for good health. Hindu worshipers fast and pray in earnest to the gods for blessings and good health during the traditional ritual called Kartik Brati or Rakher Upobash. Sylhet, Bangladesh.