How to enable 850mhz frequency in GT-i9082?

Hi all...
This is my first post and my problem is with 3g frequency...
I have samsung galaxy grand GT-i9082 which i bought in India. And now I am in Bhutan and here 3g frequency band is 850mhz.
So my qstn is.. Is there any way out to enable 850mhz frequency in galaxy grand i9082?

Thanks in advance