Sir i have secured rank of 728 and wat service will i be allocatted?

Sir i have secured rank of 728. i comu under obc.the dopt has released the ranking list with community.my options were:
1. ias
2. ips
3. ifs
These three I wont get

4. iaas
5. irs custom and central excise
6. irs it
7. irts.
8. Indian P and T

please help me ,wat service will i be allocatted.

Regards
--
Arvind VS
Ph: 9962426243