Anwesshaa appeared on national television for the first time in the year 2007. Thereafter, she has been a part of various other shows. Anwesshaa's first breakthrough in Bollywood was in Golmaal Returns for Pritam Chakraborty at the age of 14. Films like I am 24, Golmaal returns Raanjhanaa, Revolver Rani, Dangerous Ishq, Panchlait, I am Banni, Kaanchi, Prem Ratan Dhan payo,Sita Ramam, Expose, Gurudakshina, Do lafzon ki kahani, ye kaisa Tigdam, Bansuri, I love Desi, Love you soniyo,Dhoop chaav, etc have been a part of her journey in Bollywood so far. Among Indian regional languages, she has voiced some wonderful songs in Bangla, Assamese, Tamil, Telugu, Kannada, Malayalam, Gujarati, Marathi, Nepali, Rajasthani, Bhojpuri. Her playbacks are for around 550 movies across all languages till date. She has received honours like Filmfare Award (East), Mirchi Music Awards (Bangla and South),3 Tele Cine Awards, Tele Samman, Big Music Award, Women Entertainers Award, Star Parivar Award, Chitrapat Padarpan Puraskar (Marathi non-film),Gujarat Government Award (For gujarati film song), Academia Award (from Los Angeles, USA for independent song), Aanandabazaar Patrika Bangla Sangeet puraskar, Garber Bangali, GIFA (Gujarati iconic film awards) for a Gujarati film song. She has worked in two Bangla films & a Marathi film as a Composer. Sunidhi Chauhan, Javed Ali, Abhishek Ray, Abhay Jodhpurkar and many others have rendered her compositions widening the spectrum of her experiences.