Most letters to the editor published in an individuals lifetime (multiple papers)

Most letters to the editor published in an individuals lifetime (multiple papers)
Who
Subhash Chandra Agrawal
What
3699 total number
Where
India (Delhi)
When
The record for the most published letters written to newspaper editors over an individual's lifetime is 3,699 which were written by Subhash Chandra Agrawal (India) to editors of various national newspapers until 31 January 2006.