Ashish M (Chartered Accountant) 21 January 2009
AEJAZ AHMED (Legal Consultant/Lawyer) 21 January 2009
Its better for you to read a book on "Political Science".
Meanwhile go through this site.
Sanjeev Tewatia (Advocate) 22 January 2009
our political systems is for making to fool to us used by the leaders of our country
Kuljit Pal Singh (Legal Professional) 22 January 2009
The constitution of India will answer ur query:
Schedule VII read with Art. 254 will answer the powers of Centre and States.
to know the what is the basic structure of constitution u have to go through Kesavanand Bharti Case.
even though the Constitution is very lengthy... but its worth reading.