Kathmandu, Nov. 11 -- Nepal is celebrating Bhai Tika, the final day of Tihar, with sisters applying ritual tika to their brothers and praying for their long life, good health and prosperity.

Observed every year on the second day of the waxing moon in the Nepali month of Kartik, Bhai Tika is the centrepiece of Tihar, the country's second-largest festival. Sisters traditionally mark their brothers' foreheads with tika in five or seven colours. The festival is also known as Yama Dwitiya.

The ritual is reciprocal, with brothers also applying tika to their sisters after receiving it from them. According to Hindu belief, worshipping one's sisters brings lasting good fortune and prosperity.

Tika can be applied throughout the day, but those se...