Rani channamma has less cancelation !!!
last year i brought a PRS ticket 15 days b4 n at the time ok booking it was 65 n few minutes b4 chart preparation it was RAC 5 n my bad luck is that e1 after chart preparation It remained RAC only !!
anyway it depends upon many factors like day of run , season , n other tains avlbl in the same route in that time !!!
i...
more... suggest u to book n post ur pnr in PNR FORUM n if remained in RAC den ask TTE n he may help u !!!