Assalam o alikum
kindly tell me about these two topics.. are they same and do we have to write the same material in it?
1. Salient features of chinese political system
2. Salient features of chinese constitution

For China's Political system:
http://www.china.org.cn/english/Political/25060.htm

For Features of Chinese Constitution:
http://www.cssforum.com.pk/css-optio...tem-china.html
http://www.china.org.cn/english/features/89012.htm

I don't think the two topics deserve the same text. You can study the material in the links and take a look for yourself. Both of them will surely contain some common points but a majority of portion will not be the same. The political system of China covers a diversified array of topics and it does encompass the constitution. However, there are a lot of other aspects like
The Central Administrative System
The Local Administrative System
The System of the Head of State
The System of Civil Servant
The Election System
The System of Self-government of Ethnic Autonomous Areas
Special Administrative Regions
that should be disscussed seperately from the consitution.

You can make notes and subsequently decide for yourself.

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The one who is most deserving of thanks and praise from people is Allah

Political system of china and political cuture of china.. are these same topics? And do we have to dicuss about these following aspects in political system?
unipolar system
bipolar syytem, multipolar system
collective leadership
the power of provincial governments
age and terms lkmited for official positions

Political system does incorporate the listed factors as it is essentially a broad topic. It is up to you to decide whether or not these factors are more important than the others.

Political culture, on the other hand, might concern different aspects. Political culture, according to my understanding, is related to the prevalent scenario of political environment in the country. According to Encyclopaedia of social sciences, political culture is defined as:
"The set of attitudes, beliefs and sentiments that give order and meaning to a political process and which provide the underlying assumptions and rules that govern behaviour in the political system"
Thus, the political culture depicts the holistic dimension of the subjective and social understanding of politics.

I hope this helps.

__________________
The one who is most deserving of thanks and praise from people is Allah

In order to contrast between two things.. i was taught in school to differentiate by drawing a line in center of page to distinguish, between two topics.. that was school's phase! But now i am confuse that still we have to differentiate in the same way ? Or we have to do it in a paragraph ?

In tabular form or in narrative form? ?

When you render your answer with the aim of drawing a comparison, it is better to stick to the narrative format of writing in addition to formulating suitable headings and sub headings. If you want to insert a flair of creativity, you can always rely on tabular format but not like the one you discussed above in which one simply draws a line in the middle and write on either side. Be professional. It should be a neatly drawn table. But remember, it is not a substitute for your narrative writing. When you start the answer, the first paragraph should list out the definitions etc followed by sub headings for each individual difference. If you really want to attain the attention of examiner, you can rely on tabular format. But do not over burden the table with text. Discuss the main points in the headings and sub headings with each heading detailing out a specific idea. This is what I would do.

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The one who is most deserving of thanks and praise from people is Allah

Ok.. thank you for your suggestions! It really helped me in making my notes. I, first mentioned the headings in tabular form and then explained it in narrative form as well.

pro-muslim ulema and pro-congress ulema, is their political role same?

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"Mind needs books just like a sword needs whetstone"