It would seem the "Shark Tank" appearance alone might've been enough ... Apart from the expansion into the retail domain, ...

The Udupi City Municipal Council on Tuesday decided to halve the sewage suction tank charges, from ₹2,000 to ₹1,000, for households that are not covered by the underground drainage system.

Credit: iRobot It's where the tank and pad reside when not in use that ... deploying 40 times the suction of the older 600 Series Roombas (the j7 only offered 10 times better suction).