1) neighbour cannot affix any CCTV in common areas without the consent of other members
2) if member refuses to remove CCTV cameras fixed in common area complain to muncipal corporation
3) better strategy would be for all members to come together and affix CCTV cameras on all common areas for security purposes . Recording can be placed in society office and TV installed in security cabin so that security guards can keep a watch on entry and exit of visitors