Interior of earth,

  Most of the knowledge we have about Earth’s deep interior comes from the fact that seismic waves penetrate the Earth and are recorded on the other side.  Earthquake ray paths and arrival times are more complex than illustrated in the animations, because velocity in the Earth does not simply increase with depth. Velocities generally … Read more

Appraisal System

  Performance appraisal is a vital tool to measure the frameworks set by any organization to its employees. It is utilized to track individual contribution and performance against organizational goals and to identify individual strengths and opportunities for future improvements and assessed whether organizational goals are achievedor serves as basis for the company’s future planning … Read more

INDIAN PUBLIC FINANCE

Indian Public Finance Value Added Tax Under the constitution the States have the exclusive power to tax sales and purchases of goods other than newspapers There are however defects of sales tax It is regressive in nature. Families with low income a larger proportion of their income as sales tax. Has a cascading effect – … Read more

Parliamentary Form of Government

Parliamentary form of Government is the system of government in which there exists an intimate and harmonious relationship between the executive and the legislative departments, and the stability and efficacy of the executive department depend on the legislature.Its a system of government in which the power to make and execute laws is held by a … Read more

Federal Dynamics.

Federalism is a system of government in which the same territory is controlled by two levels of government. Generally, an overarching national government governs issues that affect the entire country, and smaller subdivisions govern issues of local concern. Both the national government and the smaller political subdivisions have the power to make laws and both … Read more

Drainage Systems Himalayan and the Peninsular

  Drainage: Flow of water through well-defined channels. Network of such channels is called a drainage system . Drainage basin: An area drained by a river and its tributaries. Watershed: Boundary line separating one drainage basin from other. River basins are larger watersheds. Drainage pattern of an area depends on the geological time period, nature … Read more

Population growth, distribution and density

  India is the second most populous country in the world next only to China. On March 1, 2011 the total population of India was at 1.247 billion. This accounted for 17.5% of the world’s total population. In other words, about every sixth person in the world there is an Indian. China, the most populous country … Read more

CHAIN RULE

  This module will teach you the basics of direct and indirect proportions. These concepts will further help you in time and work questions. Important Formulas – chain rule Direct Proportion Two quantities are said to be directly proportional, if on the increase or decrease of the one, the other increases or decreases the same … Read more

FRACTIONS

Fractions Any unit can be divided into any numbers of equal parts, one or more of this parts is called fraction of that unit. e.g. one-forth (1/4), one-third (1/3), three-seventh (3/7) etc. The lower part indicates the number of equal parts into which the unit is divided, is called denominator. The upper part, which indicates the number of … Read more

Minerals and Energy Resources : Distribution and utility of [a] metallic minerals (ion ore, copper, bauxite, manganese)

  Mineral is a naturally occurring, homogeneous inorganic solid substance having a definite chemical composition and characteristic crystalline structure, color, and hardness Minerals are valuable natural resources that are finite and non-renewable. The history of mineral extraction in India dates back to the days of the Harappan civilization. The wide availability of minerals in the … Read more