Here is GeekCases ZipCube Dual USB review and GeekCases PowerHub 5 USB Ports charger review. You can buy these products from Amazon, the ZipCube Dual USB charger is listed for Rs. 999 and the 5 port charger is listed for Rs. 1,799.
If you are looking for an extra fast charger or a replacement charger then do check the GeekCases Quick Charge 3.0 compatible Travel charger. This charger is available on Amazon, was initially priced at Rs. 1,799 but as of now it is priced at Rs. 1,099.