Bengaluru startup Refrens raised an undisclosed amount of funding from investors including Vijay Shekhar Sharma, Paytm Founder, and Anupam Mittal, Shaadi.com Founder. The investment round also saw participation from Sujayath Ali and Navaneetha Krishnan, Voonik Founders, among others. Founded by Mohit Jain and Naman Sarawagi, Refrens offers free invoicing, payments and expense management system.