Mains: GS III – Economy
Despite significant strides in political representation for historically marginalised groups, Bihar continues to rank among the lowest in terms of income, education, and human development.
Bihar’s per capita income at current prices for 2024–25 was around ₹70,000, while for India it was approximately ₹2.05 lakh.
In terms of the Human Development Index (HDI) as well, Bihar ranked the lowest, at 0.650 compared to India’s 0.685 (2023).
The Hindu| Bihar’s Socio Economic Issue
Prelims: Current events of National & International importance | Geography
Why in News?
A recent study suggests that building a massive 50‑mile dam across the Bering Strait could, in theory, help stabilise the AMOC, a critical ocean current system that regulates global climate.

References
Prelims: Current events of national and international importance | International Organisations
Why in News?
Recently, the United Arab Emirates announced it will exit the Organisation of the Petroleum Exporting Countries (OPEC) and the broader OPEC+ alliance effective May 1, 2026.
OPEC
OPEC+

Quick Fact
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UAE’s Exit from OPEC & OPEC+ |
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Reference
Prelims: Current events of national & international importance | Biodiversity & Conservation
Why in News?
Recently, Scientists have discovered four new pygmy chameleon species in northern Mozambique’s isolated mountain ecosystems, known as sky islands.
A pygmy chameleon is a general term used for the miniature forest chameleons belonging mainly to the genera Rhampholeon and Nadzikambia.
4 New identified species (Pygmy Chameleon)
|
Species Name |
Named for |
Distinctive Trait |
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Nadzikambia goodallae
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Jane Goodall (conservation legacy), it is endemic to one sky island. |
Strong camouflage in dense montane rainforest. |
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Nadzikambia franklinae
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Rosalind Franklin (molecular biology). |
Subtle genetic and morphological divergence (scale pattern, body proportions). |
|
Nadzikambia evanescens
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Evanescens means vanishing. |
Restricted to shrinking montane forest patches, emphasizes conservation urgency due to habitat loss. |
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Nadzikambia nubile
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Nubila means clouded, reflecting dependence on persistent cloud cover for survival. |
Adapted to the cloud‑forest microclimate at high altitude. |

Quick Fact
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Sky Islands |
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References
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