Hi friends iam new to bitcoin world i have few questions to ask please answer my questions.

-> which sites provide valid wallets i mean coinbase like sites..........?

-> Is bitcoins are legal or illegal in india.?

-> How to sell bitcoins if we have in our wallet i mean if i have bitcoins in coinbase can i sell it for buysellbitco.in...?

->How many days bitcoins will be valid in out wallet.? I mean if we have bitcoins in our wallet how many days they will remain in our account.....?

->How to earn free bitcoins.?

-> Which site accepts indian bank account or paypal to buy bitcoins....? but sites like  buysellbitco.in have suspended their services know...?

-> what is this Bitcoin Core 0.9.2.1 has been released. Download.? i dont understand what is this software used for.?

-> How can we sell bitcoins..? waiting for your precious answers please reply all the above questions.