Bosch Home India — water leaking in washing machine

Address:

Chennai, Tamil Nadu, 600125

I bought Bosch WAK24269IN from Darling ambur (invoice no. [protected]), i spoke to Bosch customer care (very hard to connect to customer care), technician came and given demo, washing machine is far from tap point, so he installed long inlet hose and i paid extra Rs. 1500, but after installation, the next day getting leakage from hose..i m calling the person around 3 weeks, he not responding properly..please help me
Technician name: suresh
Contact no: +[protected]
Attached technician photo..
He is very worst..