China
“Four comprehensives” is a new political theory, unveiled by Chinese leader Xi Jinping. The four Comprehensives are comprehensively building a moderately prosperous society, comprehensively deepen reform, comprehensively govern the nation according to law and comprehensively strictly govern the Party.

Nigeria
Igbo, Housa and Yoruba are the major tribes in Nigeria. Housa and Yoruba comprises nearly 50% of the population of the Nigeria.

Australia
Australian researchers have created world’s first 3D jet engines using 3D printing. The technology is believed lead to cheaper, lighter and more fuel-efficient jets. 3D printing makes products by layering material until a three-dimensional object is created. Automotive and aerospace companies use it for producing prototypes as well as creating specialized tools, mouldings and some end-use parts.

Leg
The hamstrings are the tendons that attach the large muscles at the back of the thigh to bone. They allow us to bend leg at the knee. The mild or severe hamstring injuries can be agonizing, making it impossible to walk or even stand.

US Dollar
US Dollar will be base currency for the BRICS New Development Bank.

Arunachal Pradesh
The union budget-2015 has proposed to set up Centre of film production, animation and gaming in Arunachal Pradesh.

Cambodia
Angkor Wat is a temple complex in Cambodia. It was first a Hindu, later a Buddhist, temple complex and the largest religious monument in the world. The temple was built by the Khmer King Suryavarman II in the early 12th century.

Science for Nation Building
National Science Day is celebrated on 28th February every year. It is celebrated to commemorate the discovery of the Raman Effect by Indian physicist Sir Chandrasekhara Venkata Raman on 28 February 1928. The theme for the National Science Day 2015 is “Science for Nation Building”.

Myanmar
The Five Power Defence Arrangements (FPDA) are a series of defence relationships established by a series of bilateral agreements between the United Kingdom, Australia, New Zealand, Malaysia and Singapore (all Commonwealth members). The FPDA was signed in 1971. The FPDA will allow five states to consult each other in the event of external aggression or threat of attack against Peninsular Malaysia or Singapore.

Kayakalp
The plan to set up an innovation council called ” Kayakalp” for business re-engineering and introducing a spirit of innovation in the Indian Railways was announced recently.