He joined State Bank of Bikaner and Jaipur (SBBJ) [Now State Bank of India (SBI)] in the year 1976. He retired from SBI in the year 2011 from the post of Chief Manager and began freelancing in marketing of Electronic Equipment’s.
He then floated a Company, “Cosmic Advisory Financial Services Private Limited” for extending financial services to stressed Companies. He withdrew from the Company in 2019. Currently Mr. Sinha is a free lancer providing Financial Advisory to various Companies.