She made her much awaited return to cinema with Rosshan Andrrews's How Old Are You in 2014. Manju played the character of Nirupama Rajeev, a UD clerk in Revenue Department. The film earned positive reviews from critics and was received well by the audiences. She received numerous accolades and became the goodwill ambassador of many ventures related to organic farming, inspired by her film .Her Next film was Sathyan Anthikad's Ennum Eppozhum which reunites her with Mohanlal after a gap of 17 years which was a moderate hit. Her next project was Rani Padmini by Aashiq Abu along with Rima Kallingal released in October 2015. The film received a negative response from the box office as it faced tight competition from other movies like Ennu Ninte Moideen and Amar Akbar Anthony.She acted in Jo and the Boy, her last release in 2015, as an Animator.Her first full-length role in 2016 was Rajesh Pillai's Vettah, a mind-game thriller, in which she appeared in the role of a police officer for the first time in her career. She acted in a Sanskrit stage drama based on Abhijñānaśākuntalam.The play was presented by Sopanam Institute of Performing Arts & Research, founded by the late Kavalam Narayana Panicker, and was hosted by Swaralaya. Manju debuted as a Producer as well and the play was produced under her banner, Manju Warrier Productions. Her next film was Karinkunnam 6S, in which she played the character of Vandana, a Volleyball coach.She also sang a song for cancer patients for the show she hosted Kerala Can(Manorama News), tuned by Ratheesh Vega, which brought in a lot of praises.