Rg ,
 I am not sure how the training in Nepal works . But as for outside . I would recomend you to go to ATSC , and look up at the list they have . Then contact these people . Last i knew was you need permission from ATSC before you apply for your VISA .Might wanna confirm that . Just go there , and they'll give you all the info you need .Their office is in Sinamangal .( might have spelt it wrong )
If you need more help , then click on my nick and shoot me an e mail , if i could be of any help , i'll help you .