Khyati Joshi, known by her stage name Gulki Joshi, is an Indian actress who works in Hindi television and is best known for portraying S.H.O. Haseena Malik in Sony SAB's comedy series Maddam Sir.

Maddam Sir is an Indian Hindi-language comedy action television series which aired from 24 February 2020 to 18 February 2023 on Sony SAB and digitally streamed on SonyLIV. Produced by Jay Mehta for Jay Productions, it stars Gulki Joshi, Yukti Kapoor, Sonali Naik and Bhavika Sharma.