Should I हटाइए to another company?

As this has been बिना उत्तर for 5months i'm very interested to know what आप have decided on your own terms. Have आप stuck to your old job या found a new one?
As for your original सवाल there are many aspects that could be why आप have not been promoted या moved to a different department when आप have expressed interest. The most positive of these is that आप are just too good at your job. Many companies see their work as pieces of a clock, when things are working just fine and as it should, they like to leave things as they are.
The other और depressing aspect could be that आप are just not qualified enough (on paper) या your boss(es) think आप are just not capapble,
As a very up-front person, i always ask if there are any comments, tips या even some concerns from my employer about my performance every so often. When i started my new job that was monthly, which has now been changed to 6monthly if yearly as i have been with my company for 4years now. That gives my employer a chance to pick up on my best and worst and also gives me insight to what i can improve on.
There is no risk in asking for an assessment, it shows your are serious about your work productivity but भालू in mind आप must take what they say seriously and if any areas do need improving take steps to actually improve them .
It could also be worth talking to whoever is in charge of training in your office/department to see if आप can further your education in the company या learn new skills to give आप that boost into promotion.
Good Luck.

Ask .
Why u was overlooked.
The worst they will आग u.
U r worthy.
But do your own homework.
Go see the मकड़ी in the web.
Best approach to survive and understand.
But stay calm. Always.
Good luck.