I ordered a ThainkPad from Lenovo India online store after checking configuration offered. I even called their call center and confirmed the configuration offered before ordering. They delivered the product without Windows 10 OS to my shock. When I called them, they say OS is not part of the deal. I sent them the order confirmation I received which shown OS is part of the deal, Despite providing proof, they were not willing to honor the deal. Then they were asking me to prove that OS is not installed in the laptop. I had to send them pictures and videos just to prove that I am not a liar. After all this, they stopped responding. I am left with no option, cannot do anything to them. Avoid Lenovo products.