PPF — partial withdrawal from my sbi ppf account

Address:

Dholpur, Rajasthan, 328001

Sir,
I opened ppf account in sbbj suratgarh in december 2006.in the year 2015, i transferred my ppf account in sbbj dholpur.
Now sbbj merged in sbi and the branch code is 31064 and ifsc code is sbin0031064. I tried to partial withdrawal from my sbi ppf account no. [protected] but no any bank staff is responding for my request. Please help me.
My e-mail is [protected]@gmail.com & contact no. [protected]