State Bank Of India [SBI] — Cheque misplaced

Address: 110009

I submitted a cheque on sbi sant nirankari branch (branch code-007627) on 2feb2017 but till now i didn't get my money and the bank members never call me for any report i gone many times till 14feb and then after i came to banglore and my friends gone 3-4 times the bank but every time they told that either server is not working or they gave a bundle of chequess and say find your cheque but my cheque is not there. Now i am in banglore i don't know what to do about this, the phone number i found on internet of the bank is invalid, i am helpless i wrote my name and number behind the cheque but they didn't told me anything about that. Pleasse help me about this i don't know what to do for this. Thank you