unable to free memory details

["mehul radheshyam choube" <mehulchoube_lpsg@rediffmail.com>]

hi friends, 
    here i am giving my c program file(snapshot of the whole program). 
    i am getting a core dump error problem while freeing dynamically allocated memory. 
    the code is big with many functions.i have given the functions along as i format the value contained in the pointer variable(i think must be the problem). 
    if this mail is inconvienence to anybody i am sorry. 
                
    waiting for help. 

mehul.

freemem.c