State Bank Of India [SBI] — Regarding pension

Address: 506001

Received my PPO in first week of April contacted CPPC hyd asked me to submit duplicate copy of ppo adhaar card pan card and undertaking in Sbi branch and according submitted all on 28 apr 17. Till now I have not received my pension.cppc asked me to contact branch as undertaking showing NO. Since last 15 days onwards Sbi waddepalli 7167 telling concerned manager on leave. If that is the case somebody must have been taker over his chair but still they are not helpful. What should I do to get pension