Vivek Nasa & Associates (VNA) - Advocate Delhi High Court & Gurgaon Courts. Address : chamber no 11, Second Floor, Lawyers chambers Block-A, District Court complex, Gurgaon-122001 Haryana. Ph: 9811896536. Email: vivek@viveknasa.com. Vivek Nasa is Registered Patent Attorney & Cyber law professional. Expert in Family law, Divorce, Corporate law, Contract Drafting & Negotiation Criminal law, Civil Law, Intellectual Property Laws. This blog is for informational purpose only.