Hmm...actually ...its ur choice...whats ur interest...If u have interest..in ur engg field..then go for MTECH....and if u got bored...and need some change..then MBA or IAS is the best option....just think over this but I think....if i was in ur place....i would have gone for MTECH first...as tech...is interesting ....and then if bychance i got bored...shift to MBA....with some job exp...