Lenovo — Lenovo K3 Note lenovo service center not provide services me under warranty period

Address:	Kolkata, West Bengal, 700039
Website:	Lenovo

I purchase this lenovo k3 note on[protected], from flipkart. Order ID: OD[protected].
My mobile not taking charge when it is switch on. This mobile is under warranty period but in lenove service center, they told me, my mobile charging port is broken, and they told me to change the mobile board of Rs 7000. My warranty end on[protected]. What I can do? Is flipkalt salled me fake warranty product. Reply me.