The two started dating during Bigg Boss 8 -- they were both inmates -- and Upen proposed to Karishma when the two took part in Nach Baliye Season 7.
Currently, they are seen together as love gurus on reality show Love School.
Karishma, who is delighted over Upen's special gesture, thanked him with this sweet note:
The model-turned actor also showered his girl with some luxurious gifts:
Image Source: twitter/upenpatelworld & instagram/karishmaktanna