Rajalakshmy is a playback singer and made her mark in the Malayalam film music industry by winning the Kerala State Film Award for the Best Playback Singer in 2011.

[citation needed] Rajalakshmy attended St. Ann's English Medium Higher Secondary School, Eloor and Government Girls Higher Secondary School, Eranakulam.

She attained a bachelor's degree in English literature from St. Teresa's College, Eranakulam.

She did more than 1000 musical albums, and worked with music directors K. Raghavan, Raveendran, Johnson, Jerry Amaldev, Syam, Ouseppachan, Mohan Sitara Jaya (Vijaya), Vidyasagar, Sharett, M. Jayachandran, Jassie Gift, Bijibal, Deepak Dev, Gopi sundar , Afsal Yusaf, Stephan Devassy, and Rony Raphel.

[citation needed] Doordarshan's Hamsadwany, the first music competition in Malayalam television, made Rajalakshmy more popular among viewers.