Dubey was born on 23 December 1983 in Gorakhpur, Uttar Pradesh and brought up in Delhi, India. His father, Sh.Gyan Prakash Dubey, is a Civil Engineer by qualification, and has worked in top management with many real estate organisations in Delhi/NCR Region.
Dubey came to Mumbai from Delhi to study telecom engineering. Then he starred his career with modeling.
Dubey was dating Sargun Mehta, his co-star from the soap opera 12/24 Karol Bagh, The couple met on the set of the show, After ended the show the couple started dating. On 5 February 2013, Dubey proposed her on the dance reality show Nach Baliye 5, where they both were the contestants of the show. He got married on 7 December 2013. The reception was held in Mumbai on 13 December.
Dubey started his career as a model, Then Dubey started his acting career in 2006 with the parallel lead role of Ravi Agarwal in DD National television show Stree... Teri Kahaani, which was produced by actors Dilip Kumar and Saira Banu. Later he portrayed a small role of Veer in Sahara One's soap opera Doli Saja Ke. Thereafter he was appeared as the male lead in Yahan Ke Hum Sikandar, where he played the role of Ravi.
Dubey has done up to 40 television commercial ads, include Reliance, TVS Victor, Mrs. Marino, Gee Pee Mobile, Nestle, ICICI, Action Milano Shoes, Fairever, Santro, Water Kingdom.
In December 2008, Dubey replace Vinay Rohrra for portraying the male lead in Zee television's show Ranbir Rano. After ended the show, Dubey was cast opposite Sargun Mehta in Zee television's soap opera 12/24 Karol Bagh.
In October 2010, Dubey featured opposite Aishwarya Sakhuja for Sony Entertainment Television's romantic/drama show Saas Bina Sasural, in which he portrayed the male lead role of Tej Prakash Chaturvedi. While working in the show, Dubey starred his film career in Bollywood, he signed Aron Govil's 2011 Hindi film U R My Jaan.
In January 2012, Dubey participated in Sony Entertainment Television's reality-based comedy series of Comedy Circus titled, Kahani Comedy Circus Ki. Dubey said, "I am super excited as I have always loved the show. So far I have never had the opportunity to try my hands at comedy, which I believe is the toughest of all".
In December 2012, Dubey participated in the fifth season of Star Plus television's celebrity couple dance reality show Nach Baliye, along with Sargun Mehta. And on 23 March 2013 a finale episode, He became the first runner-up of show. Dubey also participated in Nach Baliye's another celebrity couple dance reality series titled, Nach Baliye Shriman v/s Shrimati in 2013.
In May 2013, Dubey starred to hosting television shows, He replace Mohit Malhotra to host Star Plus television's dance reality show India's Dancing Superstar.
In September 2013 he was approached for the lead role of Rajbir in Rashmi Sharma's show Desh Ki Beti Nandini, but he was out of the show. Dubey has also appeared along with Shweta Salve at Indian Television Academy's ramp show Fashion Ka Jalwa.
In March 2014, Dubey got the male lead in Zee television's soap opera Jamai Raja, in which he plays the role of Siddharth "Sid" Khurana opposite Nia Sharma, the show produced by actor Akshay Kumar and co-produced by Ashvini Yardi, under their own production Grazing Goat Pictures.
In December 2014, Dubey hosted an award event of Zee televisions', Zee Rishtey Awards, along with Shabbir Ahluwalia.