Her first advertisement was directed by Prahlad Kakkar. Later more commercial ads came her way. Her television career began when she was cast in the role of Juhi in the Star Plus show Shagun.
As a television actress Gulati has played a variety of contrasting roles ranging from a girl who lost her parents and was ill-treated by her aunts in Kyun Hota Hai Pyarrr to a spoilt fashionable, rich girl with a golden heart Tia Ahuja in Remix and her negative role of Sonya in Amber Dhara. In 2008, she joined Dill Mill Gayye as a new medical intern.
Post Shagun she went on to play a tomboy Tara in the youth show Kyun Hota Hain Pyarr. She had her first anchoring experience when she hosted the show Pardey Ke Peechey again on Star Plus which looked into the personal lives of the television stars. She also portrayed a grey shaded character in Rose Audio Visuals's Lipstick on Zee TV. She went on to a lead role in Remix, which debuted on November 1st 2004 on Star One. It was one of the first shows to be launched on the then newly-launched channel. She was the first one to be cast and was finalized to play one of the leads in the show. She was cast as Tia Ahuja though she was offered a chance to play the other lead Anvesha instead. She took voice modulation training to change her voice to suit Tia's personality. She received positive critical reviews for her portrayal of the 16 year old girl in Remix. Her work with the then debutant actor Karan Wahi who played Ranveer Sisodia in the show was also very well received.
Post Remix she took up cameo roles in various shows such as Aek Chahbi.., Mann Mein Hain Vishwas and Durgesh Nandini. She took up a negative role in the SET India show Amber Dhara. Her next project was a sitcom about the battle of sexes called
NIKI U R VERY PREETY AND U R VERY BEAUTIFULL AND ARMMAN NIKI JODI IS BEST......
hey shweta u r the most prettiest girl in industry.and ur smile is wow.so always keep smiling.pls reply me when u read my msg..luv u sooooooooo much.thnku
Greetings u have the most innocent face & sexiest eyes i hav ever seen.Keep smiling.......
Dn't cry ever.
If u cry u, can make me cry.
Keep smiling a lot.................