1. The Rigveda, containing hymns to be recited by the hotr.

2. The Yajurveda , containing formulas to be recited by the adhvaryu or officiating priest;

3. The Samaveda, containing formulas to be sung by the udgatr.

4. The fourth is the Atharvaveda, a collection of spells and incantations, apotropaic charms and speculative hymns.

"Guru Brahma Guru Vishnu

Guru Devo Maheshwara

Guru Sakshat Param Brahma

Tasmai Shri Gurave Namah"

"Dhyana Moolam Guru Murti.

Puja Moolam Gurur Padam,

Mantra Moolam Gurur Vakyam,

Moksha Moolam Guru Kripa“.

Contribution of Aryabhatta.

India invented the Number System. Zero was invented by

Aryabhatta.

Algebra,

Trigonometry &

Calculus

came from

Aryabhatta.

The value of pi was first calculated

by Aryabhatta

Quadratic equations were by

Bhaskaracharya

Bhaskaracharya calculated the time taken by the

earth to orbit the sun hundreds of years before

the astronomer Smart.

Time taken by earth to orbit the sun: (5th

century) 365.258756484 days

chanakya is traditionally identified as Kautilya or Vishnu Gupta,

who authored the ancient Indian political treatise

called Arthaśāstra. As such, he is considered as the pioneer of

the field of economics and political science in India, and his work

is thought of as an important precursor to Classical

Economics. Chanakya is often called the

"Indian Machiavelli", although his works predate Machiavelli's by

about 1,800 years.His works were lost near the end of the Gupta

dynasty and not rediscovered until 1915.

CHAYANKYA

Panini is known for his Sanskrit grammar particularly for his

formulation of the 3,959 rules of Sanskrit morphology, syntax

and semantics in the grammar known as Ashtadhyayi (अष्टाध्यायी Aṣṭādhyāyī, meaning "eight

chapters"), the foundational text of the grammatical branch

of the Vedanga, the auxiliary scholarly disciplines of Vedic

religion.

Sanskrit is the

mother of all the

European

languages.

Sanskrit is the

most suitable

language for

computer

software

reported in

Forbes magazine,

July 1987.

Sushruta is the father of surgery.

2600 years ago he and health scientists of his time conducted

complicated surgeries like cesareans, cataract, artificial limbs,

fractures, urinary stones and even plastic surgery and brain surgery.

Usage of anesthesia was well known in ancient India

Over 125 surgical equipment were used

Deep knowledge of anatomy, physiology, etiology, embryology, digestion,

metabolism, genetics and immunity is also found in many texts

Ayurveda is the earliest school of medicine known to

humans.Charaka, the father of medicine consolidated

Ayurveda 2500 years ago.

Today Ayurveda is fast regaining its rightful place in our

civilization.

India’scontribution

in science field

Sir C.V.Raman

• He gave enormous contribution in the field of vibration, sound, musical instruments, ultrasonics, diffraction, photo electricity, colloidal particles, X-ray diffraction, magnetron, dielectrics, etc.

• He gave ‘THE RAMAN EFFECT’regarding the scattering of the light.

J.C. BOSE Bose subsequently made a number of

pioneering discoveries in plant

physiology. He used his own invention,

the crescograph, to measure plant

response to various stimuli, and

thereby scientifically proved

parallelism between animal and plant

tissues. Although Bose filed for a

patent for one of his inventions due to

peer pressure, his reluctance to any

form of patenting was well known. To

facilitate his research, he constructed

automatic recorders capable of

registering extremely slight

movements; these instruments

produced some striking results, such

as Bose’s demonstration of an

apparent power of feeling in plants,

exemplified by the quivering of injured

plants.

Bhabha gained international

prominence after deriving a correct

expression for the probability of

scattering positrons by electrons, a

process now known as Bhabha

scattering. His major contribution

included his work on Compton

scatterin, R-process, and furthemore

the advancement of nuclear physics.

HOMI J. BHABHA

Har Gobind Khorana

Hargobind Khorana (January 9, 1922

– November 9, 2011) was a biochemist

who shared the 1968 Nobel Prize for

Physiology or Medicine with Marshall W.

Nirenberg and Robert W. Holley for

research that helped to show how

the nucleotides in nucleic acids, which

carry the genetic code of the cell,

control the cell’s synthesis of proteins.

Khorana and Nirenberg were also

awarded the Louisa Gross Horwitz

Prize from Columbia University in the

same year.

Amartya Sen

Amartya Sen, is an Indian economist who

was awarded the 1998 Nobel Prize in

Economic Sciences for his contributions

to welfare economics and social choice

theory. Sen is best known for his work on the

causes of famine, which led to the

development of practical solutions for

preventing or limiting the effects of real or

perceived shortages of food. Amartya Sen's

books have been translated into more than

thirty languages over a period of forty years.

In 2006, Time magazine listed him in 2010

included him in their "100 most influential

persons in the world". New Statesman listed

him in their 2010 edition of "World's 50 Most

Influential People Who Matter

Subrahmanyan Chandrasekhar,

Subrahmanyan Chandrasekhar, was

an astro physicist who,, won the 1983 Nobel

Prize for Physics for key discoveries that led

to the currently accepted theory on the later

evolutionary stages of massive stars.

The Chandrasekhar limit is named after him.

Chandrasekhar was the nephew of Sir

Chandrasekhara Venkata Raman.

Chandrasekhar worked in distinct periods

worked in various areas including stellar

structure, theory of white dwarfs, stellar

dynamics, theory of radiative transfer,

quantum theory of the negative ion of

Hydrogen

Kalam is popularly known as the Missile Man of

India for his work on the development of ballistic

missile and launch vehicle technology. He played a

pivotal organizational, technical and political role in

India's Pokhran-II nuclear tests in 1998, the first since

theoriginal nuclear test by India in 1974

A. P. J. Abdul Kalam

India's Contribution to MEDICAL

SCIENCE

India in Space

•Kalpana Chawla

•Sunita Williams

KALPANA CHAWLA

• Kalpana chawla entered NASA astronaut program in 1994 and was selected for flight in 1996 her first mission began on nov19,1997.she again took flight in July 2002.she was the first Indian born women in space .

SUNITA WILLIAMS

Sunita Williams holds the record forlongest space flight by a woman.She was assigned tothe International Space Station as amember of Expedition14 and Expedition 15. In 2012, sheserved as a flightengineer on Expedition 32 and thencommander of Expedition 33. Inaddition to holding the record forthe longest space flight time amongfemale space travelers (195 days,not counting her ongoing 2012mission).

• 38% of Doctors in America are Indians. • 12% of Scientists in America are Indians. • 36% of NASA employees are Indians. • 34% of MICROSOFT employees are Indians • 28% of IBM employees are Indians • 17% of INTEL employees are Indians • 13% of XEROX employees are Indians

Interesting facts about Indian's

First democracy to elect a woman Prime Minister. India is the 7th nuclear power in the worldIndia is the 5th largest economy in the world India is the largest democracy in the worldIndia has the 2nd largest population in the world India is the 4th nation in the world to have developed/or developing a nuclear submarineIndia is the 5th nation in the world to be in the multi billion dollar space commerce business.India is the 4th nation in the world to develop(or nearly to) ICBM's(can travel up to 14,000km)India is the 3rd nation in the world, to be able to develop land based and sea based cruise missiles

Mera Bharat Mahan

India never invaded any country in her

last 10,000 years of history.