DAILY PRELIMS BOOSTER 18th JULY 2022

1) INS SINDHUDHVAJ: The Navy’s Kilo-class submarine, INS Sindhudhvaj, was decommissioned from service on Saturday at Visakhapatnam after 35 years in service. With this, the Navy now has 15 conventional submarines in service.

• It successfully undertook mating and personnel transfer with Deep Submergence Rescue Vessel and was the only submarine to be awarded Chief of Naval Staff (CNS) rolling trophy for Innovation
• Commissioned into the Navy in June 1987, Sindhudhvaj, was one of the 10 Kilo-class submarines India acquired from Russia between 1986 and 2000.

2) ‘Bonalu’: is a Hindu Festival where Goddess Mahakali is worshiped.

• It is the state festival of Telangana. It is celebrated in parts of Telangana and Andhra Pradesh.
• The Word Bonalu came from “Bhojanalu” meaning food, which is offered to the goddess during festival time.

3) Monkeypox: It is a viral zoonotic disease (transmission from animals to humans) and is identified as a pox-like disease among monkeys hence it is named Monkeypox. It is endemic to Nigeria.

• It is caused by monkeypox virus, a member of the Orthopoxvirus genus in the family Poxviridae.
• The natural host of the virus remains undefined. But the disease has been reported in many animals.
• There is no specific treatment or vaccine available for Monkeypox infection.

4) Grey Water: Grey water is the category of waste water that is not contaminated with faecal matter or urine.

• This broad category includes post-use water from most domestic or household purposes like bathing, washing dishes, laundry, etc.
• Grey water can contain harmful bacteria and even faecal matter that contaminates soil and groundwater.

5) National Institutional Ranking Framework 2022: launched by Ministry of Education

• The NIRF was approved by the Ministry of Human Resource Development (MHRD) and launched in 2015.
• It ranks colleges, universities and research institutions and also provides an overall ranking of all of them combined.
• Institutes are also ranked across 7 subject domains, namely engineering, management, pharmacy, law, medical, architecture and dental.
• Indian Institute of Technology, Madras (IIT-M) is the top higher educational institute in the country followed by the Indian Institute of Science (IISc), Bengaluru, and IIT Bombay.