She is the granddaughter of businessman late Shyam Jethmalani, though she is believed to be related to noted politician and criminal lawyer Ram Jethmalani. Her childhood pet name is "Dinky". Her mother Divya is a housewife and her father Nimesh Jethmalani is a businessman. She has two siblings- brother Kapil and sister Karishma. She was a runner at the Miss Mumbai contest.
Kamna is in London to complete a short term course on fashion designing and boutique management. Informing close media friends on this, Kamna said that she wants a break from acting for a while as she wants to focus on some permanent income source. ‘First, I will concentrate on opening the stores in Hyderabad and Mumbai. Later on I will think on films,’ said Kamna.
“I connect to His divine energy which cleanses my soul and all my negative feelings. I come out of the temple completely rejuvenated,”