Karishma Tanna, Upen Patel get engaged on sets of 'Nach Baliye 7'

Karishma Tanna (left) and Upen Patel

Karishma Tanna and Upen Patel are now engaged. The couple sprung a surprise on Tuesday night on the sets of the dance reality show 'Nach Baliye 7'.

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Karishma Tanna and Upen Patel

They exchanged rings in the presence of the other participants of the dance show. Their families witnessed the engagement ceremony through video conferencing.

Upen and Karishma met last year as contestants on the reality show, 'Bigg Boss'.