Although there might be some commonly spoken languages but the dialect with which they are spoken changes from one state border to another.
Half of the world's population speak the 13 most populous languages, the other half of the world speak the rest. The following table lists the languages of the world with the largest number of native speakers.
| Language | No. of Speakers (in million) | Primary Countries the language is spoken |
| Mandarin Chinese | 882 | China, Taiwan, Singapore |
| Spanish | 325 | Spain, Mexico, United States, Argentina, Bolivia, Chile,Colombia Costa Rica, Cuba, Dominican Republic, Ecuador,El Salvador, Guatemala, Honduras, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, Uruguay, Venezuela, Equatorial Guinea, Western Sahara |
| English | 312-380 | United Kingdom, Republic of Ireland, Australia, New Zealand, United States, Canada, and Commonwealth of Nations |
| Arabic | 206-422 | Middle East (Saudi Arabia, Kuwait, Iraq, Syria, Lebanon, Jordon, Egypt) |
| Hindi | 181 | India, Nepal |
| Portuguese | 178 | Portugal, Angola, Brazil, Cape Verde, Mozambique, São Tomé and Príncipe, Guinea-Bissau, Timor-Leste |
| Bengali | 173 | Bangladesh, India (West Bengal, Tripura, Assam) |
| Russian | 146 | Russia, Ukraine, Commonwealth of Independent States |
| Japanese | 128 | Japan |
| German | 96 | Germany, Austria, Belgium |
Although there might be some commonly spoken languages but the dialect with which they are spoken changes from one state border to another. Half of the world's population speak the 13 most populous languages, the other half of the world speak the rest. The following table lists the languages of the world with the largest number of native speakers. Language No. of Speakers (in million) Primary Countries the language is spoken Mandarin Chinese 882 China, Taiwan, Singapore Spanish 325 Spain, Mexico, United States, Argentina, Bolivia, Chile,Colombia Costa Rica, Cuba, Dominican Republic, Ecuador,El Salvador, Guatemala, Honduras, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, Uruguay, Venezuela, Equatorial Guinea, Western Sahara English 312-380 United Kingdom, Republic of Ireland, Australia, New Zealand, United States, Canada, and Commonwealth of Nations Arabic 206-422 Middle East (Saudi Arabia, Kuwait, Iraq, Syria, Lebanon, Jordon, Egypt) Hindi 181 India, Nepal Portuguese 178 Portugal, Angola, Brazil, Cape Verde, Mozambique, São Tomé and Príncipe, Guinea-Bissau, Timor-Leste Bengali 173 Bangladesh, India (West Bengal, Tripura, Assam) Russian 146 Russia, Ukraine, Commonwealth of Independent States Japanese 128 Japan German 96 Germany, Austria, Belgium
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http://www.successcds.net/currentaffairs/top-10-languages-spoken-world-12528.html 
Telangana state government has taken Telangana Water Grid project as a prestigious project, the state government has allocated the cost of Rs.25, 000 crore rupees. This project is set up to permanently resolve the drinking water problem in the state of Telangana. Telangana Water Grid will use 160 TMC water, where it uses 80 TMC each from Godavari and Krishna rivers and it would likely to be completed in 4 years time. A parallel water grid project was set up in the Gujarat state by the previous Gujarat Chief Minister and present prime minister of India Mr.Narendra Modi. Telangana state legislator's officials and officers has visited Gujarat to study the project, Telangana Chief Minister Mr.K.Chandra Sekhar Rao said in a press meeting that he would lay foundation stone for the Telangana Water Grid project in Nalgonda District. Where Nalgonda district is a fluoride-affected area. The work will begin in Nalgonda, Karimnagar and Khammam to cover all four regions of the state.