Black hole is a region in space where the pulling force of gravity is so strong that is not able to escape. The strong gravity occurs because matter has been pressed into tiny space. Every large galaxy has super massive black hole.

Aquaponics is a combination of aquaculture, which is growing fish and other aquatic animals, and hydroponics which is growing plants without soil. Aquaponics uses these two in a symbiotic combination in which plants are fed the aquatic animals' discharge or waste.

The Housing and Urban Development Corporation Limited (HUDCO) is a government-owned corporation in India. One of the public sector undertakings, it is wholly owned by the Union Government and is under the administrative control of the Ministry of Housing and Urban Poverty Alleviation. It is mandated with building affordable housing and carrying out urban development. It provides long term finance.

The Charminar was constructed at the intersection of the historical trade route that connects the markets of Golkonda with the port city of Machilipatnam.The Old City of Hyderabad was designed with Charminar as its centerpiece. Towards the north of Charminar is the Char Kaman, or four gateways, constructed in the cardinal direction.The structure itself was intended to serve as a Mosque and Madraasa. It is of Indo-Islamic architecture style, incorporating Persian architectural elements.

The Inter State Council is a body setup by a presidential order on the basis of provisions in Article 263 of the Constitution of India. The body was formed by a Presidential Order dated 28 May 1990 on recommendation of Sarkaria Commission.The Council is formed to discussing or investigating policies, subjects of common interest, and disputes, among states

The Inter State Council composes of the following members:

• Prime Minister, Chairman.
• Chief Ministers of all states.
• Chief ministers of UTs with legislative assemblies.
• Administrators of union territories not having legislative assemblies.
• Six central cabinet ministers, including home minister, to be nominated by prime minister.
• Governors of states under president's rule.

The Gommateshwara Bahubali statue at Shravanabelagola, Karnataka is one of the most important tirthas (pilgrimage destinations) in Jainism. The most famous of Jains consecrations is the anointment of the Bahubali Gommateshwara Statue located at Shravanabelagola. It is an important Jain festival held once in every 12 years.

The Union Ministry of Social Justice & Empowerment has launched new website and mobile application of the National Commission for Safai Karamcharis.It is comprehensive website giving complete details about Commission viz. its composition, mandate, manner of filing complaints etc.It also facilitates petitioners to file their grievances and complaints, etc. on-line on website and thereafter track them.

The survey takes into account the children enrolled in government schools.

The scheme aims to lend low-cost funds to government higher educational institutions. Under it, all centrally-funded institutes (CFIs), including central universities to expand and build new infrastructure. It will be financed via restructured Higher Education Financing Agency (HEFA), a non-banking financial company.