Sr. Advocate Sushil Kumar Sinha is the inspiration for the coming generation of Lawyers and other career oriented individuals. He is a renowned personality among Senior Advocates in Nepal. After serving His Majesty's Government Civil Service for over 18 years, he started his career in legal field in 1970 as an Advocate, and established the Law Firm exclusively dealing with business law and taxation practices. The Firm later gained popularity under the name of Sinha-Verma Law Concern.

Recognizing his contribution in the judicial arena, the Supreme Court of Nepal conferred the title of "Senior Advocate" to him in 1990; and immediately than after he was unanimously elected as the President of the Supreme Court Bar Association. Even at the age of 75, he is active in the law profession as well as in social activities. He has always given high priority for the capacity building and professional enhancement of young lawyers.