If unallocated and in pool of RMZ of Hyderabad what are the chances of getting allocation for 15+ yoe.

Possible if that project has an odc in that location if not you can still work in any of the offices if you are having that location as your base,just check in those locations if they having a General ODC there else you have to adjust by going in ur canteen instead and does the locations which they are having ODC's for work apart from your current one..If you aren't getting calls through your RMG just try by posting your requirements in Knome portal at Ultimatix or else by searching them in exciting opportunities portal..