Composition is the first element of photography which one needs to concentrate.
We live in a world with a lot of composed elements; earth revolves around the sun and takes 24 hours a day through out the year, year after year. So when we see a photographic print we can feel the impulse it gives us immediately if it is well composed because we are able to identify with it .for e.g. if a we make a panning shoot and the car is at the other edge of the frame then we feel a little uncomfortable that the car is trying to move out of the frame .So its very necessary to learn to compose a photograph.

Composition is nothing but arranging all the elements of a photograph in a unified manner and all these elements should complement our subject and not compete with it.

Whatever may be our subject, its placing, its lighting should be in such a way that it becomes the salient feature of our print. Without a salient feature, the print will not be able to hold the attention of the viewer. We see millions of things daily and if there is nothing interesting in photograph we will not see it second time as out attention span is very small for the things, which we don’t find interesting.

There are few things we can do to make the photograph well composed
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First is the identification of subject itself. We should judge whether the subject we are planning to shoot is interesting or not. An uninteresting subject will not be able to hold the viewers attention.
Then we have to select the field of view. We should decide whatever we are including in the frame is meaningful or not .All unimportant elements should be left out and also whether we should take the shoot from a top angle or bottom .It all depends on the subject we are going to shoot .for e g: if we want a little distortion in our subject then we should shoot the subject from top or bottom rather from in between or if we were to shoot a landscape we should use a wide angle lens.

Then comes the placement of the subject in the frame .If we keep the subject in the frame at a place where it looks more interesting .In photography we never place the subject in exact center of the frame.
There is a rule in photography for the placement of subject called the RULE OF THIRDS.
If we divide our frame in three equal parts by drawing three lines horizontally and vertically then our subject should be placed at the any of 4-intersection point of these lines.

An e.g. here

Where exactly our subject should be placed out of these 4 points depends upon the subject we choose .for e.g.: =

Then we have to decide the format in which we should shoot for e.g.: - if we take a shoot of landscape we generally shoot in horizontal format as it gives a feeling o calmness and if we are taking a shoot of a building it will look good in vertical format as it gives a feeling of tallness and majesty.
If we have to give a feeling of movement in photograph then we shoot in diagonal format
We should also take care of balancing the various colors or the tonal gradations in the photograph and also various objects.

Then there should be some leading lines, which takes the attention of the viewer to the subject.

By keeping all these things in mind we can improve the value of our photograph to a great extent.