Geological time scale Upsc

Geological Time Division It is the calendar of events of earth History. It is subdivided into eons, eras, periods, epochs and ages. It is used by Paleontologist, geologists to demonstrate the associations and timing of events. Eons are the longest time division and ages is the shortest. The era we live in the Holocene epoch, … Read more

Interior of the Earth and its 3 Layers Upsc

Interior of the earth The earth’s interior can only be understood by indirect methods, as no one has gone deep inside the earth, due to high temperature and pressure. The surface of the earth is due to a number of processes that happen deep inside the earth. The surface of the earth is due to … Read more

Obc sub-categorisation commission Upsc

Obc sub-categorisation commission Upsc

OBC sub-categorisation was constituted on October 2, 2017, by Article 340. It is to examine the sub-categorization of OBC with the following terms: To examine the extent of inequitable distribution of benefits of reservation among the castes or communities included in the broad category of Other Backward Classes with reference to such classes included in … Read more

Nipfp Upsc

Nipfp Nipfp full form is the National Institute of Public Finance and Policy. It was founded in 1976. It is India’s premier economic think tank. It is an autonomous body. It was set up by the Ministry of Finance, Planning commission, and state governments. It advises the Central and State governments. It does research and … Read more

Inner Line Permit Manipur UPSC

Manipur was added to the Inner line permit regime by the Adaptation of Laws (Amendment) Order 2019. Manipur is the 4th state after Arunachal Pradesh, Nagaland, and Mizoram to where the ILP is applied. ILP regime was earlier present in Manipur but it was abolished in Manipur in 1950. It is also connected with CAA … Read more

RTI and PM CARES Fund Upsc

The Prime Minister’s Office (PMO) has said that PM Cares Fund is “Not a public authority” by Section 2(h) of RTI Act 2005. Section 2(h) defines “Public Authority”. A Public Authority is defined as Any authority or body or institution of self-government established or constituted: by or under the constitution by any other law made … Read more

Ocean floor configuration and its major divisions Upsc

Ocean floor configuration It helps in the know about the distribution of continents and oceans. the ocean floor is divided into three divisions based on its depth and as well the forms of relief. The division is known as Continental Margin, deep-sea basin and mid-ocean ridges. The Ocean floor configuration Continental Margins Continental Margins are … Read more

Crop calendar Tamil Nadu and its Planting Seasons

Crop calendar Tamil Nadu Planting Seasons in Tamil Nadu is classified into 8 types. They are: Navarai Sornavari Kar Kuruvai Early Samba Samba Late Samba/Thaladi/Pishanam/Late Pishanam Late Thaladi The crop calendar in Tamil Nadu is classified into 8 based on the Month of Sowing, Duration or Day. This duration is classified into Short duration, Medium … Read more

Savanna food web, chain, ecosystem and its biome

Savanna food web The Primary consumer in the Savanna food web is Zebras and elephants. The Secondary consumers are cheetahs, hyenas, etc. The Scavengers here are vultures, hyenas, and termites. The reason hyena is present in both Secondary and Scavenger is because it gets their food by hunting in groups and also Scavenging on dead … Read more

Mesolithic age in india Upsc

Mesolithic Sites in India

Mesolithic Age in India The date of the Mesolithic culture varies in different parts of the world. We assign this culture to pre-agricultural times in certain areas. In the Levant (Eastern Mediterranean), they are dated between 20,000 and 9500 BCE. In India, Mesolithic cultures appeared around 10,000 BCE. In certain parts of India including Kerala … Read more

* * All the Notes in this blog, are referred from Tamil Nadu State Board Books and Samacheer Kalvi Books. Kindly check with the original Tamil Nadu state board books and Ncert Books.