[7] He attended St Olave's Grammar School in Orpington before reading English with history at Durham University as a member of Grey College.

[21] His series Spotlight Tonight with Nish Kumar first aired on BBC Radio 4 in March 2017 and in total produced nine episodes.

I'm so clever" was originally performed at The Pleasance Theatre, which continued as a UK tour running from October to December 2015.

[37] He has also appeared as a guest on Have I Got News for You, Mock the Week, Virtually Famous, 8 Out of 10 Cats, Alan Davies: As Yet Untitled, Hypothetical, The Big Fat Quiz, Russell Howard's Stand Up Central, Sweat the Small Stuff, QI, Live from the BBC and The Alternative Comedy Experience.

The performance, for which Kumar was not paid, included political jokes on Boris Johnson, Jacob Rees-Mogg, Theresa May and the ongoing Brexit process.

[39][40] Following the event, the Lord's Taverners released a statement emphasising the apolitical nature of the organisation and expressing that they did not support the behaviour of some members of the crowd,[41] which included booing, heckling and the throwing of a bread roll.

"[43] Kumar hosted the Quibi topical comedy series Hello America, which ran from August 2020 until the channel's closure in December that year.

[49] It was speculated that the series was dropped due to its perceived left-leaning political position, although the BBC made no official statement on this.

"[50] Rights to the show were picked up by the television channel Dave, who began broadcasting new episodes as Late Night Mash, with Kumar and the main cast returning, in September 2021.

In October 2021, Kumar revealed that he was stepping down from Mash after five seasons, four on the BBC and one on Dave, to "spend more time with [his] emotional problems.