Which MBA stream should I opt for after completing BE in IT among marketing, finance and HR? On which basis should I make this choice?

Marketing have better opportunities in terms of salary package. Along with that you can choose systems.

It depends on what kind of personality and interests you have. You also have to look for the skill set you possess. For example- If you can convince people, if your communication skills are exceptionally good then you can opt for marketing. Although, these skills are equally important for the other