A holder of a doctorate in computer science from the University of Queensland, Karky began his professional career as an assistant professor at the College of Engineering, Guindy,[1] and soon after ventured into the Tamil film industry, working as a lyricist and dialogue writer.

[4] Karky is the eldest son of seven-time National Award winning lyricist Vairamuthu and Ponmani, a Tamil scholar and veteran professor at the Meenakshi College for Women.

During his time in high school, he gained an interest in computer science[1] He got admission in College of Engineering, Guindy which is affiliated with the Anna University.

While in CEG, as part of his final year project, Karky developed a program called the Tamil Voice Engine, under the supervision of Professor T.V.

[5] Other projects during his tenure include the Name Generator, which was part of his course on Creativity, Innovation and New Product Development (the objective being to generate random names that are pronounceable with respect to Indian phonetics) and Compiler Design, for which a high level programming language was conceived, with the goal of proper specification and interpretation of lexical rules and grammar rules.

He also served as counsellor for NRI and foreign national students, as well as the Staff treasurer of Computer Science Engineering Association.

Some of the subjects he taught include Advanced Databases, Ethics for Engineers, Principles of Programming Languages, Environmental Science and Tamil Computing (for PhD students).

Karky had approached the director in 2008 with some of the songs he had written, and was brought him on board to help with the dialogues of the film, especially assisting with technical terminology.

His work is also characterized by infusing uncommon Tamil words that aren't normally used in everyday lexicon, as part of lyrics (like "Kuviyamillaa Kaatchi Paezhai" from Ko[7] and "Panikoozh" from I).

An adaptation of the Hindi blockbuster 3 Idiots, he infused a twang to the dialogue that aimed to showcase college life in a different manner.

Karky's also known for his successful collaboration with Telugu director S.S. Rajamouli, on his two-part magnum opus Baahubali; the second part being the most profitable South Indian film of all time, and RRR.

His other notable projects as a dialogue writer include Gokul's Idharkuthane Aasaipattai Balakumara, Venkat Prabhu's Massu Engira Masilamani,[8] and Nag Ashwin's Mahanati (a biopic of legendary South Indian film actress Savitri).

In his first decade as a lyricist and dialogue writer, Karky has been part of some of the biggest blockbusters in modern Indian cinema such as Enthiran (2010), Ko (2011), Naan Ee (2012), Thuppakki (2012), Kaththi (2014), I (2015), Bajirao Mastani (2015), the Baahubali series (2015; 2017), Nadigaiyar Thilagam (2018), Padmaavat (2018), 2.0 (2018) and RRR (2022).

The projects developed by KaReFo include "Chol" (an online Tamil-English-Tamil dictionary), "Piripori" (a morphological analyser and compound word splitter for Tamil), "Olingoa" (a transliteration tool), "Paeri" (a name generator that produces around 9 crore male/female names based on Tamil phonetics), "Emoni" (a rhyme finder tool), "Kural" (a Thirukural portal), "eN" (a number to text converter), "Paadal" (a Tamil lyric portal to research and browse song lyrics) and "Aadugalam" (a portal for word games).

Over 60 top composers from the Tamil film industry were hired to provide content for the platform, which aimed to release one song every day.

In addition to serving as the director for the DooPaaDoo, Karky has personally penned several songs for the platform, collaborating with prominent and independent figures in the music industry such as Srinivas, Karthik, Anil Srinivasan, Rizwan, Karthikeya Murthy, Vijay Prakash, Andrea Jeremiah, Aj Alimirzaq, and director Gautham Vasudev Menon (who also directed three music videos for songs written by Karky, which featured actors Tovino Thomas, Dhivyadharshini, Aishwarya Rajesh and Atharvaa).

Some of the prominent indie songs written by Karky include "Ulaviravu", "Koova", "Bodhai Kodhai", "Yaavum Inidhe", "Edho Oar Araiyil", "Kaadhal Thozhi" and "Periyar Kuthu".