Unit prefix or if letters such as "T", which are already in use as SI units or prefixes, will again be skipped. Several personal proposals have been made for extending the series of prefixes, with ascending terms such as "xenna, weka, vendeka" (from Greek "ennea" (9), "deka" (10), "endeka" (11)) and descending terms such as "xono", "weco", "vundo" (from Latin "novem/nona" (9), "dec" (10), "undec" (11). Using Greek for ascending and Latin for descending would be consistent with established prefixes such as "deca, hecto, kilo" vs "deci, centi, milli"). Although some of these are repeated on the internet, none are in actual
Pabitra Kumar Deka later published in two big volumes published by the Assam Prakashan Parishad called "Bharatia Samantaral Dharar Sobi" and "Bishwa Chalachitra". Apart from that, he continued his satire writings in his columns "Birbolor Sinta" and "Soukadhaarar Semsemia Sitaan" for Sadin. On 5 January 2010, Pabitra Kumar Deka died in the GNRC hospital, Guwahati after a heart attack. The family members of late Deka have constructed an archive in his memory named "Pabitra Kumar Deka Archive" in 2018 in their residence at Pub Sarania, Guwahati 781003. "Roopkar Award" is also presented every year in his memory to a famous personality from stage,