Aaj Din Chadheya

Aaj Din Chadheya is a romantic Hindi-language song from the 2009 film Love Aaj Kal. The track is composed by Pritam, with lyrics written by Irshad Kamil. The song has been sung by Rahat Fateh Ali Khan. The music video of the song featured actors Saif Ali Khan and Deepika Padukone. The song was placed in Filmfare's 60 most romantic Hindi songs ever list.

Development
The song was composed by Pritam Chakraborty and Salim–Sulaiman, with the former composing songs and latter the score. The lyrics for songs were penned by Irshad Kamil, and the remixes created by DJ Sanj. The song was shot in parts of Delhi and Kolkata.

Critical reception
The song received mostly positive reviews from critics. Joginder Tuteja of Bollywood Hungama noted, "With Rahat Fateh Ali Khan at the helm of affairs and Irshad Kamil spinning his words well, the song has melody as its forte and doesn't bear any Western influence whatsoever. Bringing on further variety in the album, 'Ajj Din Chadheya' has an old world charm."

Chandrima Pal of Rediff.com stated, "Rahat Fateh Ali Khan is the perfect choice for the soulful melody called Aaj Din Chadheya. The guitar-driven arrangement with highlights of accordion and harmonica make this song of loving and longing a very relaxed listen." Ruchika Kher from Hindustan Times noted, "A romantic song that is extremely soothing to the ears, Aaj Din... strikes a chord with the listeners. The song has a feel-good factor."