What curry powder if any do you use?
You probably need to state which recipes have failed. Go in to detail how the base went, how long it took and what you do, like buy garlic ginger paste in tubes.
Maybe watch chewys video on the base and study the cooking the madras video, make sure you're getting it right. Following some text may not help and watching someone over and over, noting the times etc might be better.
Chicken Madras (Classic Indian Restaurant Curry) on Vimeohttp://vimeo.com/mikestyneI blend fresh garlic and ginger with oil and salt for paste, use Natco madras curry powder, then a mixture of east end, trs and natco for turmeric, cumin etc. Various chilli powder shouldn't be a big deal.
One thing I've noticed is if I put too much base in on the second part I can lose TA/BIR curry if cooking for 2/3 people and now do it in more stages if I've got 600-1000mil. To me if you don't get the aroma then probably be down to the base.
Anyway, i'll let more esteemed members try to help but be sure to at least follow chewys 3hr base and madras cooking video to spec before giving up.