INS Arnala

  • 08 Jun 2025

In News:

The Indian Navy is set to commission 'Arnala', the first warship under the Anti-Submarine Warfare Shallow Water Craft (ASW-SWC) series at the Naval Dockyard in Visakhapatnam. The commissioning will be presided over by Chief of Defence Staff, General Anil Chauhan.

About INS Arnala

  • Type: First in the series of 16 Anti-Submarine Warfare Shallow Water Crafts (ASW-SWC)
  • Builder:
    • Primary: Garden Reach Shipbuilders & Engineers (GRSE), Kolkata
    • Partner: L&T Shipbuilders
  • Delivery Date: May 8, 2025
  • Indigenous Content: Over 80%
  • Partners Involved:
    • BEL, L&T, Mahindra Defence, MEIL
    • 55+ MSMEs involved in the supply chain

Capabilities & Features

  • Length: 77 meters
  • Displacement: 1,490+ tonnes
  • Propulsion: Diesel engine-waterjet system (a first for a warship of this size in India)
  • Roles:
    • Anti-submarine operations in coastal/shallow waters
    • Subsurface surveillance
    • Search and Rescue (SAR)
    • Low-intensity maritime operations

Significance

  • Aatmanirbhar Bharat Milestone: Highlights indigenous shipbuilding and defence manufacturing capabilities
  • Boost to Coastal Defence: Enhances the Navy’s reach in shallow and strategic coastal zones
  • Employment & Industrial Growth: Significant MSME and domestic defence industry involvement

Heritage & Symbolism

  • Name Origin: Inspired by Arnala Fort, near Vasai, Maharashtra
    • Built by the Marathas in 1737 under Chimaji Appa
    • Historically guarded the Vaitarna River mouth and northern Konkan coast
  • Design Symbolism:
    • Armoured hull reflects the resilient walls of Arnala Fort
    • Advanced sensors and weapons echo the fort’s cannons
  • Crest:
    • Stylised auger shell – precision, strength, vigilance
    • Motto: Arnave Shauryam — “Valour in the Ocean

Rediscovery of Losgna Genus in India

  • 08 Jun 2025

In News:

At a time when habitat loss and climate change threaten countless species, the discovery of a new species of parasitic wasp - named ‘Losgna Occidentalis’ from Chandigarh has drawn attention to the unexplored richness of India’s biodiversity.

Location of Discovery

  • Place: Chandigarh, Union Territory of India
  • Habitat: Urban dry scrub forest
  • Time: Winter of 2023–24
  • Significance: First formal description of any insect species from Chandigarh

Species Description

  • Name: Losgna occidentalis
  • Genus: Losgna (Ichneumonidae family – Parasitic wasps)
  • Group Role: Parasitic wasps known for laying eggs inside/on arthropod hosts
  • Ecological Role: Pollinators and biological control agents (important in ecosystems)

Historical Context

  • Losgna genus was last recorded in India in 1965, in Heinrich’s monograph
  • No Indian records or specimens existed post-1965 in any institution
  • Only known specimens (of other Losgna species) are preserved in:
    • Natural History Museum, London
    • The Hope Collection, Oxford University
    • Zoologische Staatssammlung München, Germany

Naming Rationale

  • "Occidentalis" (Latin for "Western")
  • Signifies the westernmost known range of the genus
  • Earlier Losgna records were only from:
    • Northeast India
    • Southeast Asia (tropical forests)
  • Published in Zootaxa (peer-reviewed journal for animal taxonomy)

Importance & Implications

  • Rediscovery highlights India’s hidden and threatened biodiversity
  • Emphasizes the critical role of taxonomy in conservation
  • Shows potential for citizen-led discoveries and backyard biodiversity
  • Demonstrates the need for:
    • Responsible specimen collection
    • International scientific collaboration
    • Support for underfunded taxonomy sectors

Discovery of 800-Year-Old Pandya-Era Shiva Temple

  • 08 Jun 2025

In News:

An 800-year-old Shiva temple of the later Pandya period has been unearthed at Udampatti, a village in Melur taluk, Madurai district, Tamil Nadu.

Key Highlights:

  • Discovery: Foundation of a later Pandya period Shiva temple (dated to 1217–1218 CE) unearthed accidentally by children.

Architectural Insights:

  • Only the stone base of the temple (north and south sides) survives.
  • Identified as a Shaivite temple using foundation engravings and reference to Silpa Sastram.

Inscriptions & Historical Significance:

  • Inscriptions deciphered by C. Santhalingam (Pandya Nadu Centre for Historical Research).
  • Temple identified as Thennavanisvaram, located in ancient Attur (present-day Udampatti).
  • Thennavan” was a Pandya royal title, suggesting direct patronage.

Key Inscriptions (1217–18 CE):

  • A sale deed records the transfer of a waterbody named Nagankudi along with wet/dry land.
  • Seller: Alagaperumal, chieftain of Kalavalinadu
  • Buyer: Nambi Perambala Kuthan alias Kangeyan
  • Sale amount: 64 kasu (coins)
  • Tax revenue from the land assigned to the temple for daily expenses, indicating its financial independence.

Archaeological Relevance:

  • Confirms ancient village name (Attur), showcasing socio-economic practices during the Later Pandya period.
  • Highlights temple economy, land-water rights, and administrative structures.

Pandya Dynasty

  • One of the Three Crowned Tamil Dynasties (alongside Cholas and Cheras).
  • Capital: Initially Korkai, later Madurai.
  • Early Pandyas active since 4th century BCE; Later Pandyas (1216–1345 CE) saw a golden age under Maravarman Sundara Pandyan.
  • Controlled parts of Sri Lanka, Telugu regions, and had trade links with Rome & Southeast Asia.
  • Symbol: Fish

Cultural Contributions:

  • Patronage of Sangam literature, Shaivism, Vaishnavism, Jainism.
  • Temples: Meenakshi Temple (Madurai), Nellaiappar Temple (Tirunelveli).
  • Promoted Tamil arts, Bharatanatyam, and education.

Decline:

  • Succumbed to Chola, Hoysala conflicts and Delhi Sultanate invasions.
  • Madurai Sultanate (1335) and later Madurai Nayak dynasty (1529) succeeded their rule.

National e-Vidhan Application (NeVA)

  • 08 Jun 2025

In News:

Union Minister of State Dr. L. Murugan will inaugurate the National e-Vidhan Application (NeVA) for the Puducherry Legislative Assembly.

What is NeVA?

  • Full Form: National e-Vidhan Application
  • Launched by: Ministry of Parliamentary Affairs (MoPA)
  • Aim: Make legislative functioning paperless across all 37 State/UT legislatures under the idea of “One Nation – One Application.”

Key Features:

  • Unified digital platform for legislative work
  • Enables real-time document access, online notices, and session management
  • Integrates AI/ML-based real-time translation (via partnership with BHASHINI, MeitY)
  • Promotes transparency, efficiency, and environmental sustainability

Funding & Implementation:

  • Approved by: Public Investment Board (PIB) on 15 January 2020
  • Budget: ?673.94 crore
  • Model: Centrally Sponsored Scheme (CSS)

Significance:

  • Digital transformation of legislative processes
  • Creation of a central data repository
  • Enhanced inter-legislature connectivity
  • Boosts Digital India and Good Governance goals