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  A ccording to the Constitution, the president of India is the head of the state and the supreme commander of the armed forces of India. As the highest constitutional authority, the president plays a vital role in the Indian parliamentary system. He /she is the first citizen of India and the symbol of unity, integrity, and solidarity of the nation. The role of the  President :-He /she is responsible for various constitutional mandates, including the appointment of the prime minister, the appointment of governors of states, the Attorney general of India, the Comptroller and Auditor General of India, the Chief election commissioner, the Chairman and members of the Union Public Service Commisssion, the Chairman of Finance Commission. Election :-The procedure of election of the president of India is mentioned in article 55 of the Indian constitution. The president is elected by an electoral college,he/she is elected by the members of both houses of parliament and elected members ...

  Causes of landform: Constantly the Earth's surface is changing due the natural forces, the main sources of natural forces are wind, heat, ice, landslide, volcanic activity, and earthquakes. Mainly Earth's surface changes occur in two types, one of them is slow to change and the other one is fast changes. Slow change takes so many times while fast changes occur due the earthquake, landslides, and volcanic activity. MORE KNOWLEDGE ABOUT LANDFORM Types of landform; There are four types of landforms-Mountains, Hills, Plateaus, and Plains. Mountains:- T he height of the mountains is over 600 m and conical peaks. The highest landforms on the surface is a mountain. On the basis of origin, there are four types of mountains, they are Block Mountains, Residual mountains, Accumulated Mountains, and Fold Mountains. Block Mountains:- The middle part of block mountains is lower and the on both sides are higher. The middle lower portion is called a Rift valley. The longest rift valley is th...

  Check IRCTC rules to get a refund and free food, while trains are cancelled and running late.                                                        In the winter season due to dense fog, many trains are running late, while some of them are being cancelled, at the same time passengers are affected due to cancellations and running late. In the past few days, passengers are facing so many difficulties because they wait for the train for more than hours in the bitter cold. Many passengers do not know that railway provides facilities due to delays in the train. These facilities are to stay at the railway station to free food and other facilities.  If people are travelling during the winter season and getting late they may avail of these facilities. MORE FACILITIES IN INDIAN RAILWAY Free food As per IRCTC rules, if th...

 Reserve  Bank of India reviews UPI payments and may levy charges made through Unified Payment Interface. The Finance Ministery tweeted, Unified Payment Interface is a digital platform through which the public contributes to the economy. There is no consideration to levy charges for this service. The service providers for recovery have to follow other ways. UPI PAYMENT BEST FOR MONEY TRANSFER UPI means:- UPI is a payment system, through which you can transfer money at any time from one bank account to another bank account. UPI works:- Nowadays it's too easy to use the UPI facilities. To use this platform you can download UPI apps like Phone Pe, BHIM, Paytm, and Google pay. To use these apps,you have to link your bank account with UPI apps by using your mobile. you can use one bank account with multiple UPI apps and multiple bank accounts can be used through one UPI app.

 PLAINS- Plains are areas of lowlands, either level or undulating, sometimes have rolling topography. Plains have an average elevation of up to 300m from mean sea level and regions of densely populated and intensively cultivated.  TYPES OF PLAINS- There are three types of plains present on our Earth. They are Structural plains,  Erosional Plains, and Depositional Plains. BRIEFLY DISCUSSED ABOUT PLAINS 1 . STRUCTURAL PLAINS-   They are structurally depressed areas, which are largely formed by horizontally bedded rocks relatively undisturbed by crustal movements e.g. the Great plains of the USA, and the central lowlands of Australia. These are sometimes formed due to the uplift of a part of the seafloor as in the case of the Great plain of the USA. 2. EROSIONAL  PLAINS- They are formed by the action of various erosional events that work to bring an elevated region near to the sea level. ** Riverine erosion plains -It will form peneplains, which are characterized b...

 NATO- **It is a military alliance established by the North Atlantic Treaty (also called the Washington Treaty)  on 4  April 1949 by the United States, Canada, and several Western European nations. **It is formed to provide collective security against the Soviet Union. **NATO's fundamental Goal is to Safeguard the Allies' freedom and security by political and military means. **NATO remains the principal security instrument of the transatlantic community and expression of its common democratic values. **The full form of NATO is The North Atlantic Treaty Organisation and  also called the North Atlantic Alliance. **It is an intergovernmental military alliance between 30 countries. Among these 30 countries, 28 countries are European and the other 2 countries are North American. **Its Headquarters is located in Brussels,Belgium. **NATO was the first peacetime military alliance the United States entered into outside of the Western Hemisphere. **NATO is considered the...

  THE MOON- **      The moon is the only satellite of the Earth. **      It has a diameter of 3475 km and its circumference is 10,864km while its orbit is Elliptical. **      The maximum Distance of the moon from the earth is 4,06,000 km, the minimum distance is 3,64,000 km, and the approximate average distance is 3,84,400 km.  **     It takes 27 days, 7 hours, and 43 minutes to rotate on its axis and approximately the same period of time it takes to revolve around the earth. The moon's period of revolution with reference to the sun is about 29.53 days (29 days 12 hours 44 minutes and 2.8 seconds). This period is called a synodic month. **     Only 59% of the total surface of the moon is visible from the earth. **  Mass(compared to that of the Earth)-1:81.30 **  Density(Relative to that of the water)-3.34 **  Density(Relative to that of the Earth)-0.6058 **  Hidden part of Moon's surface- 0.41...