Greetings. The following would help you :
1. Daily use of sunscreen in day time of SPF 30 applied half hour before sun exposure
2. Daily bed time use of moisturiser like cetaphil dam if you have dry skin/ in case of oily and pimple prone skin - retinoid based cream would be helpful.
3. Peeling agents and skin lightening agents prescribed by dermatologist for reducing tan and improving your natural skin colour and reducing spots.
4. Evaluation by dermatologist for peels and micro derm abrasion.
5. Kindly read my blog on daily skin care on Practo health feed.
6. Daily fitness work out and loads of fruits and veggies will help loads in improving your skin.
Hope this helps.
see a qualified dermatologist near you for any specific issues
Further queries can be sent on follow up messaging