Notes and Study material for Exams
Kakatiyas The 12th and the 13th centuries saw the emergence of the Kakatiya dynasty. They were at first the feudatories of the Western Chalukyas of Kalyani, ruling over a small territory near Warangal. A ruler of this dynasty, Prola II (1110–1158) extended his sway to the south and declared his independence. His successor Rudra (1158–1195) … Read more
Theline of Nagabhata ruled first at Ujjain and later at Kannauj during the 8th to 11th centuries. In the complicated and badly documented wars of the early 9th century—involving Pratiharas, Rastrakutas, and Palas—Nagabhata II played an important part. About 816 he invaded theIndo-Gangetic Plain and captured Kannauj from the local king Chakrayudha, who had the protection of the Pala ruler Dharmapala. … Read more
To deal with security, India has different forces that are specialized to deal with different security threat. Conventionally, forces were meant to be only Defence forces but with rising internal challenges and other threats related to border management, Disaster Management etc, various forces have come to the for. These forces and agencies in India at … Read more
The Global Positioning System consists of 24 satellites, that circle the globe once every 12 hours, to provide worldwide position, time and velocity information. GPS makes it possible to precisely identify locations on the earth by measuring distance from the satellites. GPS allows you to record or create locations from places on the earth and … Read more
Khilji DYNASITY After the decline of the Slave dynasty, the Sultanate became even more fragile and instable due to the numerous revolts and internal aggression. The Khilji dynasty started with the crowning of Jalaluddin Khilji by the nobles. This was around the year 1290 A.D. But within a few years, he was killed … Read more
The Kuninda warrior clan is mentioned in ancient texts under the different forms of its name: Kauninda, Kulinda, and Kaulinda. Their coins have been found mostly in the Himalayan foothills, between the Rivers Sutlej and Yamuna. The Kuninda were therefore neighbors of the Kuluta and Trigarta clans. Their coins have the figure of Bhagwan … Read more
Defence Research and Development Organization (DRDO) The DRDO was formed in 1958 following the merge of the Technical Development Establishment (TDE) of the Indian Army, the Directorate of Technical Development & Production (DTDP) and the Defence Science Organisation (DSO). DRDO laboratories conduct research in a number of fields, such as aeronautics, rockets and missiles, electronics … Read more
Satellites based on application can be categorized as follows: Earth Observation satellite-> Starting with IRS-1A in 1988, ISRO has launched many operational remote sensing satellites. Today, India has one of the largest constellations of remote sensing satellites in operation. Currently, *thirteen* operational satellites are in Sun-synchronous orbit – RESOURCESAT-1, 2, 2A CARTOSAT-1, 2, 2A, 2B, … Read more
Indus Valley Civilization Indus Valley Civilization was the first major civilization in south Asia, which spread across a vast area of land in present day India and Pakistan (around 12 lakh sq.km). The time period of mature Indus Valley Civilization is estimated between BC. 2700- BC.1900 i.e. for 800 years. But early Indus Valley Civilization had … Read more
8 Aviation Almost all modern aircraft are fitted with multiple GPS receivers. This provides pilots and sometimes passengers with a real-time aircraft position and map of each flight’s progress. GPS also allows airline operators to pre-select the safest, fastest and most fuel-efficient routes to each destination, and ensure that each route is followed as closely … Read more