Hello Sara and welcome to Writefix!

A few points

Does:  Avoid the word 'does'  - it should be used for emphasis only. 

1. It does has pros and cons -  It has pros and cons.
2. It does gives employment opportunities - It provides employment.

Empty words: Avoid words which do not contribute meaning

In the present scenario, --> Today

Agreement -  check that verbs agree with the subject of the sentence:

1. many countries are famous for its tourism --> many countries are famous for [their] tourism
2. It does has pros and cons which has to be analysed --> It has pros and cons which have to be analysed
3. Moreover, the tourist spot becomes the point of attack for the terrorists and cause causes disaster to the country. c

Word Form

1. nature beauty --> natural beauty
2. The fame and preciousness of the places are spread worldwide attracting many more tourists. 
   Change to: 
   The more tourists that visit, the more famous the destination becomes.
3. It does gives employment opportunities for the localites -->Tourism provides employment for local people/locals.

Although/but

Though there are problems encountering with the tourism, still countries welcome the visitors to improve their financial status.

Change to:

Although some problems can be encountered from tourism, most countries still enocurage tourism as a means of improving their economies

The economy of the country increases by means of transportation tariffs, cost of accomodation and food etc for the visitors.

Change to:

The economy of the country benefits from the money that tourists spend on planes, buses, and taxis and in restaurants and hotels.

Try to avoud using 'etc.' Have three or more items in a list. It's an opportunity to show your command of vocabulary!