As you Asking for the IFSC Code of the Siwan branch of the Uttar Bihar gramin bank let me tell you that the branch has No IFSC Code As Per My Knowledge So Here I am giving you the Contact details of the branch So that you may Contact them for Other Source of Fund Transfer the contact details Of that branch is given below

Contact details
branch Siwan
Thana Road Post-Siwan District:-Siwan Pincode:-841226

For knowing the Contact details of the Any other branches of the Uttar Bihar gramin bank you may go to the Official Site of the Uttar bihar gramin bank

the page may look as Follow

Uttar bihar gramin bank



There At the Right of the page you may get the Menu of branch locator click on It After clicking you may Redirect to the page from there you may get the Details of the Any other branches of the Uttar bihar gramin bank

For your convince Here I am giving you the Snapshot of that page
Uttar bihar gramin bank branch locator