Bank Of Baroda — less interest paid in scss account

I have a scss account (No.-sah3009/1) in siwan branch. Deposit amount is rs.1000000/-. Effective interest rate from 3rd. Quarter of 2018-19 is 8.7%.in above account interest for 1 october2018 to 31december2018 should be rs.- 21750 but only rs. 20750 is credited as interest for this quarter in my above scss account. Now it is clear that interest is less paid rs.- 1000/-.