Blessy was born on 3 September 1963 in Tiruvalla, a major town in Pathanamthitta district. He was the youngest of six children born to Benny Thomas and Ammini Thomas. He lost his parents at a very young age. He studied at Mar Thoma School, SCS High School and Mar Thoma College in Tiruvalla.[2][3][4]
Blessy is married to Mini and has two children, Adith and Akhil.[2]
Blessy's next venture had Mammootty in Palunku (2006), followed by Calcutta News (2008), starring Dileep and Meera Jasmine, went on to be marginal hits. Bhramaram (2009), which had Mohanlal once again in the lead role was another successful film. It was a story of revenge against those that falsely accused a man of murder and ruined his life. His 2011 film Pranayam includes Mohanlal, Anupam Kher, and Jaya Prada. His 2013 film Kalimannu starring Swetha Menon and Biju Menon in leading roles dwelled upon the theme of childbirth and the maternal and paternal connect towards a child. Menon's labor was shot live in the film.[7]
He directed a biopic documentary film titled 100 Years of Chrysostom (2018) based on the life of Christian prelate Philipose Mar Chrysostom Mar Thoma.[8] Beginning in 2015, it took two years to complete filming. A public screening was held for five consecutive days. With a runtime of 48 hours and 10 minutes, the film received the Guinness World Record for the longest documentary in the world.[9][10] The film is narrated by Mohanlal.[11] His latest film Aadujeevitham is a survival drama based on the novel Goat Days by Benyamin. It stars Prithviraj Sukumaran in the lead role and has music composed by A. R. Rahman. The film's production lasted over 6 years, mainly due to the COVID-19 pandemic.[12]