Debangshi Sen (b 03-02-2012), a student of Grade VI at South Point School, Guwahati, Assam, and the daughter of Rubi Sen and Bijay Sankar Sen of Guwahati, Assam, has set a record for solving mental simplification (addition and subtraction) of 150 digits in 1 minute and 45 seconds. The record was set on 20th June 2023 at her residence.
The Assam Book of Records (ABR) commends her intellectual prowess by listing her among the state records.