Zero was invented by Indians. Once Zero was invented it transformed counting and Mathematics in a way that would change the World. This invention was spread to the world by Arabs. The Indians created a different symbol for every number for one to nine. They are today known as 'Arabic Numerals.'

The rise of Islam in India began with the conquest of Sind, one of the provinces in present-day Pakistan and one of the important sites of Indus valley civilisation. Muhammad-Bin-Qasim, a Umayyad general conquered the Sind and Punjab region in a very tender age of 17 in 712 AD. Sind invasion is considered one of the world's historic marvels as it led to the spread of Islam in South Asia.

The ancient Indians formed two kingdoms on the mainland of Indo-China namely  Champa  and Kamboja. In all probabilities, Champa was in the second century. It included Cochin China and region of south Annam. Amravati was its capital. Broadly ancient Champa corresponds to modern Vietnam. The Hindus established both the kingdoms before Christian era followed Hindu ancient tradition.

The spread of Buddhism was due to the missionaries activities during the reign of Ashoka. He sent his son Mahendra and daughter Sanghmitra to Srilanka to popularise Buddhism. He sent missionaries in the region of China and Central Asia to spread the religion. During the reign of king Kaniskha, many Indian missionaries were sent to Central Asia and China. They introduced Mahayana's Buddhism in this region.

After the conquest of Sind, many Indian Scholars such as Bhala and Manaka were invited to Baghdad. An Indian physician Dhana served as chief medical officer in Baghdad. Knowledge on Hindu Philosophy, Mathematics, Astronomy and Medicine became popular with the Arabs and notable works on same were translated into Arabic with the help of Indian scholars.  Many noted Indian works on Astronomy such as Brahma Sidhanta and Khanda Khadyaka were translated into Arabic.

Around the first or second century CE, trade between India and Rome flourished. The ports in South India also had a large share in this trade.

Some articles made of bronze were found in the excavations at Kolhapur. They have been made in Rome.

In the fifth century CE King Kashyap ahd caves dug out at aplace called 'Sigiriya'. The wall paintings in these caves bear a resemblance to the paintings in the Ajanta Caves.

Funan was the first important Hinduized kingdom in southeast Asia. It  arose in the 1st century AD and was incorporated into the state of Chenla in the 6th century. This kingdom established by Kaundinya flourished for a few centuries and later was merged in the famous kingdom of Kambuja .

The concept of 'Zero' is one of the India's  major contributions to the world.It was Arabs who introduced this Indian concept to Europe.

Alexandria was an important port in Egypt. The Arab merchants carried Indian goods up to Alexandia. From there, they were sent to the countries in Europe. Besides Indian goods, the Arabs also conveyed Indian philosophy and science to Europe.

In the fist century CE, the Ming Emperor of China invited the Buddhist bhikkhus Dharmarakshaka and Kashyapmatanga to China. The bhikkhus translated many Indian Buddhist text into the Chinese language.

The excavations at Arikamedu in Tamil Nadu have also brought to light many articles made in Rome. This place were very important centres of trade between India and Rome. Many such trade centres are mantioned in the literature of those time.

The Chola dynasty was a strong empire in south India. In this dynasty Rajaraja I and Rajendra I were the rulers who had conquered other countries. Rajaraja I conquered southern India along with northern part of Sri Lanka and Maldives island. Rajendra I conquered the countries of South- East-Asia( Malaya, Java, Sumatra), Sri Lanka, Myanmar.

The Roman Empire imposed the trade restrictions in mid-3rd century because there was crisis in the Roman Empire. But the trade again begin in the 4th century 

Kavya style is a highly artificial Sanskrit literary style that was employed in the court epics of India from the early centuries AD. It evolved an elaborate poetics of figures of speech, among which the metaphor and simile predominate. The earliest specimen of the kavya style is found in the Junagadh inscription of Rudradaman in Kathiawar in about 150A.D. It is written in pure Sanskrit language.