Metals and Non-metals

Metal   In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic bonds. Metals are sometimes described as a lattice of positive ions surrounded by a cloud of delocalized electrons. The metals are one of the three groups of elements as distinguished by their ionization and bonding properties, along … Read more

Electricity and Magnetism

Current Electricity Electric current is the rate of flow of electric charge through a conducting medium with respect to time. It is caused by drift of free electrons through a conductor to a particular direction.Charges in motion constitute an electric current. Such currents occur naturally in many situations. Lightning is one such phenomenon in which … Read more

Contribution of Indians in science and technology

Get Complete Prelims PDF Checkout Added to cart Contribution of Indians in science and technology This list of Indian inventions and discoveries details the inventions, scientific discoveries and contributions of ancient and modern India, including both the ancient and medieval nations in the subcontinent historically referred to as India and the modern Indian state. It … Read more

Environment protection laws, Policies and regulatory framework

Get Complete Prelims PDF Checkout Added to cart The Environment Protection Act is an important legislation that provides for coordination of activities of the various regulatory agencies, creation of authorities with adequate powers for environmental protection, regulation of the discharge of environmental pollutants, handling of hazardous substances, etc. The Act provided an opportunity to extend … Read more

Solid Waste Management

Get Complete Prelims PDF Checkout Added to cart Solid Waste Management; Types of Solid waste Management; Factors affecting Solid Waste Generation Solid Waste Management Solid waste management is basic public services which every citizen should have access to, both for health and hygiene, and for ensuring a good quality of living. Sanitation here refers to … Read more

Industrial development and Economic reforms in India : Major changes in industrial policy, its impact on industrial growth

Get Complete Prelims PDF Checkout Added to cart The Indian Government had undertaken industrial policy reforms since 1980, but the most radical reforms have occurred since 1991, after the severe economic crisis in fiscal year 1990-91. These reforms mainly aim  at enhancing the efficiency and international competitiveness in Indian industry. India’s industrial policy of 1991 … Read more

Liberalization

Get Complete Prelims PDF Checkout Added to cart The leading economists of the country differ in their opinion about the socioeconomic and ecological consequences of the policy of liberalisation.Liberalization has led to several positive and negative effects on Indian economy and society. Some of the consequences of liberalisation have been briefly described here: 1. Increase … Read more

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