Thanks for all the responses so far, i completely respect your thoughts and concerns...i jumped with joy when i saw my approval letter...my action was so unintentional it all happened in such a rush of relocating to new place and settling in... Can you please suggest how can i contact UKBA the numbe...

Dear All, I got my british citizenship approval letter on 28th june 2013, before i could contact local authority for the ceremony i've misplaced it and somehow forgot about it completely as i was shifting to other city..after my re-location while unpacking i found my letter thats 1st week of october...