Sorry for it, it was a setup issue. It got resolved now.Can you please direct me with the steps to follow right from powering up the chip to :1) Configure it through I2C (i think it's already done but knowing a proper way would be appreciated)2) Then...

Here is what i mean by "transactions" :1) start bit --> slave_addr->write_bit->ack (rcvd from slave)-->reg_addr (from where we want to red the data and in this case it is 0x00)-->ack( rcvd from slave) --> stop bitstart bit--> slave_addr-->read_bit-->...