Children-focussed fintech platform Junio has raised $6 million in a funding round led by UAE-based firm NB Ventures with participation from Rajiv Dadlani Group. Founded by Shankar Nath and Ankit Gera, former senior executives of Paytm, Junio's product is a children-focussed smart card that lets them make digital and physical purchases. Junio raised $2 million in seed funding last year.