Kundala Valley Railway was the first monorail system in India, later converted to a 2 ft (610 mm) narrow-gauge railway, that operated between Kundala Valley in Munnar, Idukki district of Kerala and Top Station in Theni district of Tamil Nadu, India.
[2] Kundala Valley Railway was built in 1902 and operated between Munnar and Top Station in the Kannan Devan Hills of Kerala .
Initially a cart road was cut in 1902,[3] then later replaced by a monorail goods carriage system along the road leading from Munnar to Top Station for the purpose of transporting tea and other products from Munnar and Madupatty to Top Station.
[3] In 2019, the Kerala Tourism Department decided to revive the Kundala Valley Rail in lines of Darjeeling Himalayan Railway following a preliminary study that was conducted by DTPC Idukki and Kannan Devan Hills Plantation.
[4] In following October there was a high-level meeting of stake holders and officials that suggested PPP Model for implementation.