The devotional song "Janki Nath Sahay Kare To Kaun Bigad Nar Teroo" from the Hindi film *Gangaajal* (2003), starring Ajay Devgan and Gracy Singh, is indeed sung by the renowned Indian classical vocalist, Pandit Ajoy Chakrabarty.
This song is a poignant and powerful rendition of a traditional devotional bhajan, adding depth and emotional resonance to the film's theme of social justice and moral dilemmas.