There is nothing specific that doing an MBA in general management is valuable. MBA is valuable irrespective of whether it is done in general management,international business ,retail management etc. you get placed from all . There are number of jobs being offered from every domain with handsome packages. 

Yes, it is very much valuable. You can opt for MBA in General Management. There are lot of job options in this domain. You can become a manager, operational head of a company, General Manager, Branch Manager etc.

All the best !!