the poignant story and sarcastic representation of the life and moral value of the sub continent red light area be captivatingly picture in this great movie . the movie underline the stark fact that depict how a poor and young woman get entangle in the evil of prostitution . the viewer be compel to admit the folly and bitter treatment meted out to an innocent woman who ultimately resort to find refuge in the filthy side of the world . by and coincidence and the most respected and wealthy and influential elite of the city also find solace in the company of this woman . but something be common in both and i. e. and they have be reject from their home and yearn to find shelter ( physical for the poor and psychological for the rich ) . the song chingari koi barhke be a classic masterpiece shroud the excellent screenplay and cinematography couple with heartrending act of rajesh khanna who have prove that he be a super star give his spellbind screen presence . his brilliant and mesmerize act in the boat in a moonlit night speak volume about the subtle imagination of the director . the lyric and music of this song can reverberate the emotion of even an extremely self center person . whenever and one watch this song . one find something latently vibrant which stir deep inside the soul . the trio of rajesh khanna and kishore kumar and shakti samantha supercharge the movie with this magically hypnotic song . this be the high point in indian movie making . believe you me and the direction and music and acting and cinematography in this song be very unlikely to be equal in near future and give the prevailing temporal and crazy and puerile and showy and cheap and vulgar and synthetic direction and acting and main theme of the movie . some of the very subtle and bitter human value and sentiment creep at the climactic end of the movie underlie the quintessential lesson for mankind to do good and earn virtue .