The line is named after the regional flower Sampige (Magnolia champaca) in Kannada.

[2] In the next proposal by RITES in 2012, consisted a line from Yelahanka Junction to Doddaballapura while passing 6 km (3.7 mi) from the Airport.

RITES submitted a revised project report that included the latest plans for the Devanhalli and Airport line.

As per the minister, Sampige and Parijaata lines presented their own challenges involving technical and administrative work in which, the government's special purpose body K-RIDE lacked.

[7] In 2024, a revised alignment plan was submitted to South Western Railway and the approval was awaited.