If you want to book a ticket from ANVT to KIR in Seemanchal Express then give train number as 22488 in place of 12488 and book ticket upto BOE. More chances of getting confirmed ticket.
Availability in 12488 (ANVT to KIR):
S.No. Date (DD-MM-YYYY) Class - SL Class -3A
2 19- 2-2014 GNWL278/WL216 GNWL42/WL8
3...
more...

20- 2-2014 GNWL301/WL231 GNWL40/WL9
4 21- 2-2014 GNWL158/WL114 GNWL40/WL14
5 22- 2-2014 GNWL198/WL148 GNWL29/WL18
6 23- 2-2014 GNWL173/WL143 GNWL39/WL12
Availability in 22488 (ANVT to BOE):
S.No. Date (DD-MM-YYYY) Class - SL Class -3A
2 19- 2-2014 AVAILABLE 17 AVAILABLE 21
3 20- 2-2014 AVAILABLE 30 AVAILABLE 32
4 21- 2-2014 AVAILABLE 93 AVAILABLE 36
5 22- 2-2014 AVAILABLE 95 AVAILABLE 31
6 23- 2-2014 AVAILABLE 68 AVAILABLE 22
Where main train has WL150++, Confirmed seats are available in link train.