From Wikipedia, the free encyclopedia. Permanent Account Number (PAN) is a code that acts as identification of Indians, especially those who pay Income Tax. It is a unique, 10-character alpha-numeric identifier, issued to all judicial entities identifiable under the Indian Income Tax Act 1961. IT PAN card is issued under Section 139A of the Income Tax Act. 2  The PAN structure is as follows: AAAPL1234C: First five characters are letters, next four numerals, last character letter. 3  The first three letters are sequence of alphabets from AAA to ZZZ. 4  The fourth character informs about the type of holder of the card.
The scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. To be termed scientific, a method of inquiry is commonly based on empirical or measurable evidence subject to specific principles of reasoning.
The Scientific Method. The Scientific Method. The Scientific Method is an organized way that helps scientists (or anyone!) answer a question or begin to solve a problem. There are usually six parts to it. 1  Purpose/Question â What do you want to learn? 2  Research â Find out as much as you can. 3  Hypothesis â After doing your research, try to predict the answer to the problem.  Experiment â The fun 1  part! Analysis â Record what happened during the experiment.