[Resolved]  Flipkart — replacement rejected by flipkart under 10 days return policy

I bought a samsung s8 for rs 30990 on the 26th march 2019 and since then i noticed the device's sensors is not working like the auto rotate, iris scanner, compass, proximity sensor, like most of the sensors! I place a return on flipkart as they provide return within 10days but before that a technicain visit must be done as per their rule! So they send me a technician to fix the issue! A technician from jeeves visited my place and saw the issue but couldn't fix it! He said he would report it! I was happy that it would get replaced but then i get a call from flipkart saying that the device has been fixed so return will get cancelled! I was shocked as he didn't fixed it and see that there is something wrong with the device itself. I told them that it has not been fixed! So they made another technician visit with the same person coming to my house and i said him that the device is not fixed and he should have reported the problems! He says he did report the issue to their authority! But flipkart says the technician has fixed the issue but i know it hasn't been fixed at all nomatter what he did! He factory reset! Cleared the cache memory! Safe mode literally everything but the device sensors did not function! So again the second technician visit was the same! He took some pictures and said he would report it! But flipkart rejected the return again giving me the same reason! And told me to visit the service center instead! So i did and there the samsung guy tried to update the software but to no avail and confirmed that it is the hardware problem! He denied service and told me to get it replaced through flipkart! I have been running here and there to get justice! I am carrying a defective device and is this how i am being treated by all these companies for rs30990??? I need your help!