Indian Railways — for confirm ticket no berth alloted

my two brothers name dhirendra tiwari and rupesh tiwari travelling on the date 20th of june from varanasi to jammu . they have there confirm ticket with birth no. S/9- 78 and 79. but for the same that coach have only 72 birth and by this way passenger from 73 to 79 are travelling without there confirm birth. when they go to tte for this he say iske liye railway prasasan jimmedar hai mai kuch bhi nahi kar sakta. from then I call to public relation officer on this no [protected] and they give me the no of lucknow drm [protected] but the lucknow drm didnt receive the phone. after that then i call to comercial officer on this no [protected] and the person give the qick response and he direct talk to tte for this and the tte give only one birth for three hours only. after that 3 rpf man come to our alloted birth and say that this birth are reserve for rpf person only. train no.2355, pnr no. [protected]