INS Shivalik, India`s first indigenous stealth frigate, was commissioned at Mazagon Dock Limited in Mumbai.           
       
According to a report titled ‘Monitoring of Tigers and Prey Animals of Kaziranga National Park,` released by Assam government, the Kaziranga National Park, famous for one-horned rhino, has the highest density of tigers in the world.The density of tigers at Kaziranga is 32.64 tigers per 100 sq.km., the highest in any known tiger habitat.            
       
The Hubble Space Telescope, named after the astronomer Edwin P. Hubble celebrated the 20th anniversary of its launch on April 24 into low-Earth orbit.

According to Human Resources Development, the second campus of the prestigious Indian Institute of Science (IISc) is likely to be set up in Anantapur district.           
       
By a report of the global conservation group WWF, a lung less frog, a frog that flies and a slug that shoots love darts are among 123 new species found in Borneo since 2007.

Central Rice Research Institute (CRRI), the premier rice research centre of the country here has come up with at least 11 new high-yielding varieties of rice, five of which are exclusively suitable for cultivation in Orissa.          

M.M. Pallam Raju, Union Minister of State for Defence launched the country`s first Anti Submarine Warfare Corvette (ASWC) for the Indian Navy at the Garden Reach Shipbuilders  Engineers (GRSE) Limited.          
       
Communic Asia 2010, the most established information, communication and technology (ICT) event in Asia, will be held in Singapore from 15 to 18 of June.
       
The Discovery space shuttle took off from NASA`s Kennedy Space Center in Florida, for a 13-day mission aboard the International Space Station (ISS). The shuttle, a multi-purpose logistics module, carries three women-mission specialists — Dorothy Metcalf-Lindenburger, Stephanie Wilson and Naoko Yamazaki. Astronaut Tracy Caldwell Dyson is already at the space station and this mission will mark the first time that four women have been in space at one time.           
       
India`s third indigenous naval destroyer, INS Chennai, built at the Mazagon Docks, was launched by Defence Minister AK Antony`s wife Elizabeth. This belongs to Project 15A. Brahmos missile will be attached to this warship.

The Ministry of Home Affairs sanctioned two new zonal units for the Narcotics Control Bureau (NCB) at Bangalore and Patna.          
       
ISRO’S mission to put communication satellite <b>GSAT-4 in orbit with Geo-synchronous Satellite Launch Vehicle (GSLV-D3) suffered a setback with the indigenous cryogenic engine failing to ignite and the vehicle tumbling into the sea. The cryogenic technology is crucial to put heavy satellites in geo-synchronous transfer orbit at an altitude of 36,000 km. ISRO had worked for more than 17 years to develop its own cryogenic engine. The earlier five GSLV flights from 2001 to 2007 were powered by Russian cryogenic engines.           
       
Indian scientists announced the <b>first-ever detailed mapping of Mycobacterium tuberculosis. The government`s Open Source Drug Discovery (OSDD) initiative released the results of its ‘Connect 2 Decode` (C2D) project to re-annotate the biological and genetic information relating to the Mycobacterium tuberculosis (Mtb) genome.      
       
The Ministry of Earth Sciences (MoES) has proposed a National Mission on Monsoon towards developing reliable dynamic models for forecasting the monsoon over the next three to five-year period through a multi-institutional effort. The mission will include aspects of short (up to 3 days) and medium-range (up to a week) predictions as well.          

       
The Indian Navy has deployed INS Betwa with an armed helicopter and marine commando team for anti-piracy patrol in the Gulf of Aden. INS Betwa, 16th Indian Navy ship deployed in the area since October 2008, has replaced INS Beas.