Hello Rohit,
Order type and number range has 1:1 relationship. One order type can be assigned to only one number range per client.
In standard SAP, it is not possible to assign one unique Order type to multiple number ranges. Order type dependency is at client level not at plant level.
Create different order types in 4 different plants and create different number number ranges corresponding to each different order types and link them accordingly.
Best regards
Shailesh Mishra