What is the meaning of operative in bengali?

Meaning(s):

1. being in force or having or exerting force
2. of or relating to a surgical operation
3. relating to or requiring or amenable to treatment by surgery especially as opposed to medicine
4. effective
5. producing a desired effect
6. (of e.g. a machine) performing or capable of performing
7. active
8. functioning; influential
9. a person secretly employed in espionage for a government
10. someone who can be employed as a detective to collect information
11. सक्रिय This law becomes operative immediately.
12. शल्य चिकित्सीय = medical Operative mortality
13. क्रियाशील The organization is still operative.
14. मजदूर = worker A factory operative
15. गुप्तचर An intelligence operative