Aura H2O Hindi Fonts in Kobo Aura H2O

Hello,

I have recently purchased Kobo Aura H2O. I want to read hindi ebooks in epub format on kobo. I have installed hindi fonts in fonts directory on kobo but still i'm not able to see anything in the e-books except junk characters. Please suggest and help me how can i make hindi fonts work on my ereader. Thanks in advance to all those who can please solve my problem.

Thanks & Regards