India Post — non delivery & eaten money

Respected sir,
my self neeraj pal i leaved in vill: pahalu ka pura post: phulwaria varanasi cantt . I have a complaint againts the post master of phulwaria which name Ghanshyam .
so many times when my any call letter are not recieved like recruitment of sbi, iob, allbd bank and other call letter which related to financial sector and other then i ask to postmen for reason o[censored]n -delivered then post master are told that all the letter of pahalu ka pura are not my responsibility to delivered so i back all the letter to main office in the sense o[censored]ndelivered.
so i kindly requested to you that its an matter of our future, carrier of my &my brother, sister and all the our villagers we requested to that please provide appropriate service soonly and please reply me for my satisfaction.