At the beginning of the game each player draws 7 cards
Without the use of spells or abilities you may draw a single card in your draw step, this is at the start of your turn after the untap and unkeep step.
41
A lot
Either 8 or 15 cards.
Single cards that represent a creature (token) there are currently 199 that I am aware of.
Retail stores and online, many stores will ship to India
Magic the Gathering has many formats, each with it's own list of legal cards. To see a complete list see here: http://www.wizards.com/Magic/Magazine/Article.aspx?x=judge/resources/banned
There are over 60 Magic The Gathering FAQ on WikiAnswers.
Booster boxes of magic the gathering can be picked up at most trading card stores. Or online at many gaming websites. Some that I have personally used are www.trollandtoad.com and www.starcitygames.com. Both sites offer booster boxes, and singles so you can order single cards that you may be looking for. I hope that helps.
Your local card store will have basic land cards that you can purchase or trade, they may even give you some depending on how many you need. Many, many online stores can sell you basic land cards. Other players may have spare land cards that they can part with.
not enough
90 and still more
you need to draw 5 cards