Janaki Mandir is a Hindu temple in Janakpur. It is a case of Hindu-Koiri Nepali design. Usually considered the most imperative model of Koiri design in Nepal. Completely inherent brilliant white and developed in a zone of 4,860 sq. feet in a blended style of Mughal and Koiri vaults, the sanctuary is 50 meters high. It is a three-storied structure made completely of stone and marble. All its 60 rooms are adorned with the banner of Nepal, shaded glass, etchings and works of art, with excellent cross section windows and turrets. As per legends and sagas, King Janak ruled this region amid the Ramayana time frame.
The temple is prominently known as the Nau Lakha Mandir. The cost for the development of the temple was about a similar measure of cash: rupees nine lakhs or nine hundred thousand, consequently the name. Ruler Vrisha Bhanu of Tikamgarh, India fabricated the temple. In 1657, a brilliant statue of the Goddess Sita was found at the simple spot, and Sita is said to have lived there. The legend said it that it was based on the sacred site where Sannyasi Shurkishordas had discovered the pictures of Goddess Sita. Truth be told, Shurkishordas was the author of present day Janakpur and the colossal holy person and writer who lectured about the Sita Upasana logic. Legend has guaranteed it that King Janak played out the love of Shiva-Dhanus on this site.