From last few days my skin is getting darker in this hot weather.few days back it was OK but now as I go outside or I spend time in pool...

What can I do?
I don't like dark skin suggest me something?

Are you wearing a good sun screen?

Stay inside.

Yup. Stay inside, and/or use sunscreen. A good one. Spf50 or more

Are you wearing a good sun screen?

Yes I use but...
I have to attend a marrige in nov before that I have to do some thg... plzzz suggest me somethg which really work

By November your skin should be back to normal. That's a long time away and as your skin sloughs off daily that darkened layer will fade away.

You say you don't like "dark skin"- what's the big deal? I'm confused. You had to know that going out to the pool -in summer- would yield a tanned complexion. I don't see the issue as long as you're not tanning regularly and as has been suggested, wearing plenty of sunscreen.

Simply don't go out. That's the only thing that's going to COMPLETELY keep the sun off you.