Bajaj Electronics — Received defective product

Hello I have received defective product of Morphy Richards otg 60 litres for which I have contacted immediately within 15 mins of receiving if the customer has received defective product you are supposed to replace it not ask us to service and use the defective product why the hell I should buy a defective piece ? Agent convinced me it is working well and it is not a repair for my timer knob rotating easily concern. After four days of this incident I tried to check the otg for the first time with temperature seems there is no safety net inside automatic heat cut off indicator not working and temperature is crossing 260 celcius so this any time can explode with our lives in question here again it has been more than 24 hours no one came to visit our location yet. I need replacement not service it is brand new product why should I settle out for service ? You guys keep on postponing days for us to keep defect product compromised?