Hero Motocorp — no bill issued after gst implementation

Address:

Bangalore, Karnataka, 560087

For my bike they added 2 parts - 1 is coil they replaced and other they replaced battery. Whenever i ask for bill they say some tax rate is changed which is not feeded in system. So by when this will be corrected, they have no idea.

Not sure if they selling old product with old mrp to clear stock. But in end customer is loser. And it is shwroom located in bangalore city, gunjur, varthur hobli, mahaa motor