Waterless car washing startup Robovac has received angel funding INR Rs 3 crore and merged with rival Enzo Solutions to create a new entity called RobovacEnzo.  Ahmedabad-based Robovac is a car interior vacuum cleaning service provider with presence at 49 outlets across Gujarat in partnership with Indian Oil Corporation. Rival Enzo Solutions offers waterless athome car-wash services in cities including Chennai, Bengaluru, Visakhapatnam, Ahmedabad and Chandigarh.