A There is nothing wrong in your father buying a property on your name, you shall become the absolute owner if the propriety is purchased in your name by a register sale deed.
B. The property purchased in your name shall be exclusively your own and absolute property, nobody, including yor wife can claim any share in it as a right during your lifetime.
C. It is not a good idea and not advisable.
This will create a problem
There is no question of 99 years of lease.
You can get the property bought on your name itself there is nothing to be worried about it.
D You are repeating the question in a different manner, there is nothing to be worried if you buy the property in your name itself.
E No, this is not a good move, you cannot enjoy the property yourself fully and properly under such arrangements.
F. No comments for the repeated question
I She has rights in the jointly held property upto 50% share.