Uneven skin tone and acne. Can help.

Hi i am 25 year old guy. I have dark complexion. Due to excess sun exposure my skin got sunburn and skin got uneven Skin Tone. And during my teenage i had so many pimples on my forehead later they are gone by left with marks or spot.. Now sunburn and those spots doesn't look nice.. I don't have any bad habits eats healthy.. I visited a doctor 3 month ago he initially did two peeling of 1500 each and then recommended me a chemical peel of 32000 and ensured me the skin will be clear so i agreed and did that.. After that peeling my skin got peel off and new skin came. Initially it was looking good but later on time passed again my skin came to the same situation again i have same patches of burn... Forehead condition is little bit better but after spending 50000 bucks approx it was not my expectations... Can anyone genuine doctor can help me out. Because its service profession. You are nit aware whether he is us charging unnecessary. We trust them... Please if anyone can help.