State Bank Of India [SBI] — not returned ppo to record office/ holding since two month

Address:

New Delhi, Delhi

Sir i am ram pravesh kumar nirala ex navy getting pension from pnb. Since apr 2017. But my revised ppo has been send wrongly by mistake from pcda navy mumbai to cppc sbi chanda i chowk branch where my pensiin account no was changed to [protected]. And received by branch on 18 oct 18. This is not my pension account no. I visited the branch and meet chief manager
Mr gupta and he told me that it will return soon. But still ppo is not received by records office/pcda mumbai till to date. My new ppo no[protected]. Date of issue 18 sep 18. Old ppo no 09/97/b/s/001359. Two months past action not taken.
Pse do necessary action.