| 2024-07-09 | Official language of India |
| 2024-05-22 | Language from which we get "shampoo" |
| 2023-12-08 | Third most-spoken language in the world |
| 2022-11-22 | Language in Delhi |
| 2021-04-08 | Language written in the Devanagari script |
| 2019-01-20 | Language from which "dungarees" comes |
| 2018-02-08 | Language in Lucknow |
| 2016-11-29 | Language in Bollywood films |
| 2015-11-22 | Language that gave us "bungalow" and "guru" |
| 2014-09-29 | Delhi language |
| 2014-05-27 | Language that gave us "guru" and "pundit" |
| 2014-05-19 | Language of Delhi |
| 2013-07-31 | Delhi language |
| 2012-12-15 | Origin of the word "cheetah" |
| 2012-06-03 | Source of the word "bandanna" |
| 2012-05-07 | Language of India |
| 2012-01-08 | Language from which "bungalow" and "jungle" come |
| 2011-11-15 | Official language of India |
| 2009-07-05 | Language that gave us "pajamas" |
| 2008-08-25 | Language of India |
| 2008-08-08 | "Thug" and "loot" derive from it |
| 2007-10-01 | Language akin to Urdu |
| 2005-06-01 | Yogi's language |
| 2004-08-31 | Language of India |
| 2004-05-16 | Delhi tongue |
| 2004-04-28 | Yogi's language |
| 2003-01-08 | Language from which "thug" is derived |
| 2002-10-22 | Language of Delhi |
| 2002-08-12 | Language in New Delhi |
| 2001-06-08 | Language of 366 million |
| 1999-02-17 | Language of 380 million |
| 1997-12-05 | Language in 22-Across |
| 1997-06-14 | Language for 350 million |