[1] He is a retired Indian Administrative Service (IAS) officer of the 1978 batch belonging to the Rajasthan cadre.

[12] He has three sons, Tarun (married to Aastha Jain), Tushar, and Abhinav (Vishakha Mehta).

He has the unique hobby of making pickles with his very own recipes and it is available under the brand name 'Pickley—Taste of Dada'.

[16][19][20][21][22] Mehrishi also concurrently became the Vice-Chairman of the United Nations Panel of External Auditors.

[1] In July 2023, Rajiv Mehrishi was appointed as an independent director on the board of Jio Financial Services (JFSL), a demerged entity from Reliance Industries Ltd, for a term of five years.