Indiflashmart — lenovo a6 note mobile

Od[protected] my order number is that.
This seller send the tech visit on my home but the technician refuses to consider my mobile problem and forces to sign that mobile is ok and return and replacement of product is rejected by flipkart they not replacement of product just wasting my time. After sale service from flipkart is very bad.
Please solve my problems
And replacement my defective product which recieve by flipkart