1. Where is the land located?
2. Is it in cantonment area?
3. Who assigned the area to the military personal? Is it the Cantonment Board?
4. If it is in cantonment area then the Cantonment Board is required to grant permission for selling it to the State Govt./Collector.
5. More details in the matter is required for giving proper suggestion.
6. However, if there is no problem/bar as such for selling the said land with the correct Survey No., then file a declaratory suit before the local court praying for a declaration that inadvertently wrong survey no. has been mentioned in the sale deed registered in the year 1957 which is now required to be corrected and also praying for a direction upon the Registrar to make the said correction accordingly in his books and records.