Online store for office supplies, Aahaa has raised $1 million in pre-Series A funding round from a group of investors led by YourNest Angel fund. Founded in 2013, the startup provides offices with services including stationery, warehouses, logistics, housekeeping, IT, electronics and logo merchandise. It has over 50 customers including Wipro, TCS, Ashok Leyland, Michelin and Titan.