Complex sentence: The fifth and last day of Tihar is called "Bhai Tika" or "Kija Puja" and is observed by sisters applying "tika" to the foreheads of their brothers to ensure long life and thank them for the protection they provide.
Split into simpler sentences: The fifth and last day of Tihar is called "Bhai Tika" or "Kija Puja". It is observed by sisters applying "tika" to the foreheads of their brothers to ensure long life and thank them for the protection they provide.