Quote from: vijaykumarcmeseo on August 04, 2014, 11:09:43 AM

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..........?

There are two kind wallet mostly used,
Online wallets Like : coinbase , blockchain.
Offline wallets Like : Bitcoin Core , Multibit, Armory, Electrum

Quote from: vijaykumarcmeseo on August 04, 2014, 11:09:43 AM

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

It is Legal as long as you are not using it for Illegal stuff.

Quote from: vijaykumarcmeseo on August 04, 2014, 11:09:43 AM

-> 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...?

Yes you can sell bitcoins of coinbase on any exchange to any person.
Its too damn easy , Use exchanges like localbitcoin where you can sell your btc for INR. or Simply Post in this subforum there are many here who buy and sell btc on daily basis.

Quote from: vijaykumarcmeseo on August 04, 2014, 11:09:43 AM

->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.....?

There is no expiry date , it will stay in your wallet for as long as you don't send to some other person.

Quote from: vijaykumarcmeseo on August 04, 2014, 11:09:43 AM

->How to earn free bitcoins.?

Tell us if you find any. Tongue

[no faucets pls]

Quote from: vijaykumarcmeseo on August 04, 2014, 11:09:43 AM

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

As mentioned above its a wallet , that takes a huge amount of time to sync.

Quote from: vijaykumarcmeseo on August 04, 2014, 11:09:43 AM

-> How can we sell bitcoins..?

AAA [Already Answered Above]