Q.bird of paradise leaves curling and drying
i have provided with a lot of sun and tried both watering it more and watering it less
but the leaves at the top keep curing and browning with some yellow dry spots on them as well

Bird of Paradise are very intolerant of both: too dry or too wet.
These articles will help you with care.
https://www.gardeningknowhow.com/ornamental/flowers/bop/bird-of-paradise-as-a-houseplant.htm
https://www.gardeningknowhow.com/ornamental/flowers/bop/bird-of-paradise-yellow-leaves.htm