[1] Parameswaran's career has spanned various fields and included working as a statistics compiler, receptionist, medical representative, and teacher, before he transitioned into the arts.

[4] He received a second Guinness World Record in 2017 for "The Largest Devil's Knot (Edaakoodam)", a type of Burr puzzle, unveiled on 27 December 2017 at the Ravis Hotels and Resorts, Kollam, Kerala.

That same year, his painting of Fidel Castro won an online art contest organized by ArtSlant International.

His painting Bhayanakam was exhibited and sold at the Lalit Kala Akademi in Chennai, with the proceeds donated to a relief fund for victims of Cyclone Thane (2011).

[4] Parameswaran's portraits include depictions of Mother Teresa, Abdul Kalam, Richard Branson, and Najib Razak.