P Vinodkumar's career reflects a transition from the banking sector to the legal profession, showcasing a diverse professional journey. He served diligently in Vijaya Bank, now known as Bank of Baroda, from 1974 to 2001. On September 30, 2001, he opted for voluntary retirement under the voluntary retirement scheme, marking the end of his tenure with the bank's Thiruvananthapuram Branch.

Post-retirement, in December 2001, P Vinodkumar took a new path by enrolling as an Advocate with the Honourable High Court of Kerala. He commenced his legal practice at Thiruvananthapuram District Courts, where he likely applied the skills and knowledge he had gained from his banking career to the legal realm. His dedication to the legal profession is evident in his decade-long practice until 2011.

Following his legal practice in Thiruvananthapuram, P Vinodkumar permanently moved to his hometown, Kozhikode. This transition, which may have been influenced by personal or professional considerations, marked a significant chapter in his life.

P Vinodkumar's career trajectory from banking to law illustrates his adaptability and commitment to professional growth. His dual expertise in both sectors likely contributed to a well-rounded perspective in his legal practice.