Are there any good home remedies to get rid of acne and lighten skin?

No: "Pop" remedies (lemon, honey) are cruel pranks. Topical benzoyl peroxide as tolerated is your best over-the-counter treatment and will clear milder cases of acne. You should not be trying to lighten your skin -- you are likely to disfigure yourself like Michael Jackson did, and in the US (which sets trends worldwide), judging another by skin color is the height of ignorance. Embrace who you are.