To take out the useful parts of the food, the digestive system breaks the food down into small pieces. This process is called digestion. The parts of the food which are not useful just pass through the body.
The interrogation. Interrogations consist of three pulses, 0.8 Î¼s in duration, referred to as P1, P2 and P3. The timing between pulses P1 and P3 determines the mode (or question) of the interrogation, and thus what the nature of the reply should be. P2 is used in side-lobe suppression, explained later.
Amit is right ,you can change it at the time of renewal because you will have to again submit all the papers that is address proof etc.And it will take at least 30-45 days for the change as all police verification etc will have to be done.