She started off her career as a ramp model & went about doing more than 200 fashion shows with a career spanning 10 years and above with top designers, such as Rohit Bal, Rina Dhaka, Tarun Tahiliani, JJ Vallaya, Hemant Trevedi, Manish Malhotra, Vikram Phadnis, Ritu Beri, Payal Singhal and loads of others.
Besides doing fashion shows, Tejaswini has also worked in Ad Films, such as "Vimal Sarees", "HMT Watches", "Sony Television", “Wipro Herbal Soap”, “Kinetic”. She has also shot for the prestigious Harvey Nichols Store for designer "Hemant Trevedi" and has come on the covers of many magazines.
She has done Fashion Shows, Films, television series such as "Mujhe Chaand Chahiye" directed by Satish Kaushik which was later taken over by director Raja Bundela on Zee TV. She also worked in "Saughat" & "Tum Bin", episodes of Rishtey, mini-series on Zee TV with Salim Arif.