” Notes:the central marine fisheries research institute (cmfri) achieved captive breeding of the high-value marine fish, golden trevally. this breakthrough will enhance sustainable seafood production and boost india’s mariculture activities. golden trevally, a reef-associated species, cohabits with larger fishes like skates and groupers. it’s utilized for consumption and ornamental purposes. cmfri, under the ministry of agriculture and farmers welfare, monitors and assesses marine fisheries resources within the exclusive economic zone (eez). established in 1967, cmfri is part of the indian council of agricultural research (icar).”

Notes:
The “Trends in World Military Expenditure, 2023 Report” by SIPRI, established in 1966, highlights global military spending. India ranked fourth in military spending at $83.6 billion after the US, China, and Russia. NATO states’ expenditure totaled $1341 billion, comprising 55% of global spending. The report attributes the record-high global military expenditure of $2443 billion to Russia’s Ukraine invasion and geopolitical tensions. SIPRI focuses on conflict research, armaments, arms control, and disarmament.

Notes:
Over 40 years, ISRO’s satellite imagery reveals a 178% expansion of the Gepang Gath glacial lake in Himachal Pradesh, growing from 36.49 to 101.30 hectares by 2022. ISRO warns of a 1.96-hectare yearly increase, signaling heightened risk. Glacial lake outburst floods (GLOFs) threaten downstream communities, triggered by natural dam failures due to factors like avalanches and extreme weather. Recent GLOFs in Sikkim caused severe flooding, damaging infrastructure and raising concerns over future events.

” Notes:india, at the 2024 ocean decade conference in barcelona, proposed a region-specific ocean observation center for deep-sea ecosystem understanding. led by earth sciences secretary m. ravichandran, the delegation emphasized better forecasting. the conference, from april 10 to 12, aimed to assess progress toward un decade of ocean science goals (2021-2030). spain, with unesco, hosted the event under the theme “delivering the science we need for the ocean we want.””

” Notes:recently discovered in India, the rare butterfly neptis philyra was found in arunachal pradesh’s tale valley wildlife sanctuary. known as the long-streak sailor, it boasts serrated wings with rich brownish-black above and yellow-brown below. native to east asia, it frequents evergreen forests, riverine vegetation, and rocky streams. its habitat spans eastern siberia, korea, japan, central, and southwest china. this marks the first sighting of the species in India.”

” On april 18, 2024, renew energy global plc (renew) and jera co. inc., japan’s largest power generation company, signed an initial agreement to assess a green ammonia production project in odisha.i. this is in line with india’s ambitious national green hydrogen mission(nghm) and japan’s clean energy transition goals.ii. renew, through its subsidiary renew e-fuels private limited, and jera will jointly evaluate a green ammonia production project in paradip, odisha.iii. this project will utilise 500 megawatt (mw) of high-capacity utilisation factor (cuf) renewable energy to produce green hydrogen.”

” The insurance regulatory and development authority of india (irdai), the statutory body of insurance companies and intermediaries in india, marked the celebration of its silver jubilee(25 year) on 19th april 2024.• irdai was formed as a statutory body under the irdai act, 1999 and was incorporated on 19th april 2000.• in line with its vision of “insurance for all by 2047”, irdai launched bima trinity, an all-in-one insurance product which covers health, life, property, and accident risks.• irdai has removed the age cap on buying health insurance policies, effective from 1st april 2024. now anyone, regardless of age, is eligible to purchase new health insurance. click here to read more”

” On 18th april 2024, the department of public enterprise (dpe) under the ministry of finance granted the navratna status to national fertilizers limited(nfl).i. the upgrade of nfl from miniratna-i to navratna status was done under regulation 30 read with schedule iii of sebi(listing obligations and disclosure requirements(lodr))regulations, 2015.ii. nfl has an authorized capital of rs 1000 crore and paid up capital of rs490.58 crore. click here to read more.”

” Npci bharat billpay ltd. (nbbl), a wholly owned subsidiary of the national payments corporation of india (npci), in association with the state bank of india (sbi), has onboarded the sbi national common mobility card (ncmc) on its bharat billpay platform for the convenience of travellers.the introduction of ncmc recharge as bharat billpay’s biller category will enable customers to recharge or top up their cards online.”

The appointments committee of the cabinet (acc) has approved the appointment of nalin prabhat as the director-general (d-g) of national security guard (nsg) till the date of his superannuation (31st august 2028).i. he is currently serving as additional director general (adg) in central reserve police force (crpf) in jammu & kashmir (j&k).

” Bandhan financial holdings limited (bfhl), the promoter of bandhan bank, has renamed aegon life insurance as bandhan life.• the new logo (growing ‘bud’) and the tagline ‘bharat ki udaan, bandhan se’ also unveiled.”

” Government of india (goi) has announced the appointment of vice admiral dinesh kumar (dk) tripathi as the 26th chief of the naval staff (cns) of the indian navy. he is currently serving as vice chief of the naval staff.• he will take charge from admiral radhakrishnan hari kumar, the present cns who is set to retire on 30th april 2024.”

” The united nations (un) chinese language day 2024 was observed across the globe on 20 april 2024 to promote and celebrate the chinese language, one of the 6 official languages of the un.• on 20 april 2024, the un celebrated the 15th annual chinese language day.• the date april 20 was selected from guyu (“rain of millet”), which is the 6th of 24 solar terms in the traditional east asian calendars, to pay tribute to cangjie. click here to read more”

” The indian renewable energy development agency(ireda) has established a new office in gift city (gujarat international finance tec-city) in gandhinagar, gujarat.• this will facilitate the financing of renewable and green hydrogen projects in foreign currencies and thereby, reducing financial cost for renewable and green hydrogen projects.• it is estimated that india’s storage capacity will reach around 400 gigawatts-hour (gwh) by 2030-32 with an investment of rs 3.5 lakh crore.”

Brahmos supersonic cruise missiles are produced by brahmos aerospace pvt ltd which is a joint venture between the russian federation drdo and the defence research