Doesn't look, well, good smokes right there. Mydriasis hit the nail on the head. While it's not really good looking, that's really inexpensive for how much you're getting, but I'm not familiar with your economy is like and what the relative value of $50 INR is.
I've never used a microwave to make brownies. A regular oven will work fine for the brownie part.
Making pot butter:
How to Make - Pot Butter..~