"Gudilo Chilakamma" Movie: Gangleader (2019) Singer: Shreya Ghoshal, Vijay Prakash Music: Anirudh Ravichander (originally composed for the Tamil song "Thullatha Manamum Thullum" from Kadhalan , but reused/recreated in Telugu)
But note: The original "Thullatha Manamum Thullum" was composed by for Tamil film Kadhalan (1994). The Telugu dubbed version of that same film had the song as "Thulli Thulli" with lyrics by Bhuvana Chandra, sung by S. P. Balasubrahmanyam and Swarnalatha. thullatha manamum thullum telugu remake
However, if you are referring to a proper with similar tune and feel, the most accurate answer is: Balasubrahmanyam and Swarnalatha
So if you want the exact Telugu version of the original song, it is from the Telugu dubbed movie Kadhalan (also called Premikudu in some contexts, but careful: Premikudu is the Telugu dub of Bombay — correction: Kadhalan Telugu dub is simply Kadhalan ). Balasubrahmanyam and Swarnalatha. However