lock down meaning in Hindi

Examples

1. But these outfits at least try to lock down their computer systems.
2. Both the high school and the RETC went into immediate lock down.
3. A unified local police decision was made to lock down all areas.
4. Maloney said his staff tries to lock down students'most sensitive personal information.
5. Tips to lock down your wireless network and keep it from hackers:
6. They are not allowed to leave their cells during the lock down.
7. The MDM iPad platform locks down each device and enables remote management.
8. I went to open the door and he pushed the lock down.
9. Why don't we just lock down the whole site, to prevent vandalism?
10. Overall, locking article should become part of Wikipedia's greater lock down procedure.