The basic pay of an RBI officer is Rs.35000 per month.But if all the allowances are includded and including the grade pay as well, the salarh becomes approx 70k .Here i am attaching the link of an image where you can get the detailed salary of an RBI grade B officer.:
Hope it helps!
All the Officers selected through Exam will be given the annual salary of . Along with this CTC comes numerous emoluments and perks. The Pay Scale for the RBI grade B Officer is This means that you will be having basic pay of Rs. 35,150/- in which you will get an increment of Rs. 1,750/- up till nine years of your service. After the completion of nine years you will get into the executive band wherein the basic pay will be of Rs. 50,900/- and then again for the next two years you will get an increment of Rs. 1,750/- and further an increment of rs. 2000/- for the following 2 years thus ending up with the basic pay of Rs. 62,400/- and this is when you don't get any promotion.