Fa Xian came to India about 1600 years ago, Xuan Zang came about 1400 years ago and I-Qing came 50 years after Xuan Zang. Their main purpose was to visit he places associated with Buddha and Buddhism.
Nalanda University was famous and was in modern day Bihar. Xuan Zang had also written about this university. Xuan Zang has mentioned that the university was full of learned people. The admission process for this university was very tough. The success rate of students was less than 20% during the entrance tests for this university.

The word ‘janapada’ literally means ‘the land where the jana set its foot and settled down’. A janapada was formed when people settled down at a place and started living in settlements.

The Ganges-Brahmaputra Delta (also known as the Brahmaputra Delta, the Sunderbans Delta or the Bengal Delta) is a river delta in the Bengal region of the South Asia, consisting of Bangladesh and the Indian state of West Bengal. It is the world's largest delta and empties into the Bay of Bengal. Sundarbans delta is formed by the Ganga and the Brahmaputra.

The 'rajas' of 'mahajanapadas' built forts around their capital cities because probably the people were afraid of attacks from other kings and needed protection. It is also possible that some 'rajas' wanted to show that they were rich and powerful by building large, tall and impressive walls around cities.

Migratory birds play an important part in the ecosystem. They eat insects and rodents which saves farmers money they would otherwise spend on pesticides and crop protection measures. It is estimated that over hundred species of migratory birds fly to India, either in search of feeding grounds or to escape the severe winter of their native habitat. ... The beauty of the birds, combined with the splendor of the natural environment provides the perfect setting for a nature lover.

Geneaology is a line of descent traced continuously from an ancestor.

The Deccan Plateau is bounded on two sides by the Western and Eastern Coastal Plains. They extend from the Rann of Kutch in Gujarat to West Bengal.

Harsha was halted by the south Indian Emperor Pulakeshin II of the Chalukya dynasty, when Harsha tried to expand his Empire into the southern peninsula of India. The peace and prosperity that prevailed made his court a centre of cosmopolitanism, attracting scholars, artists and religious visitors from far and wide.

India has a long coastline which runs across the Arabian Sea in the west and the Bay of Bengal in the east. The Indian coastal plains are divided into the western coastal plains and the eastern coastal plains.

The western coast is a narrow strip of land which is located between the Western Ghats and the Arabian Sea. It consists of three sections. The northern part of the coast is known as the Konkan (Mumbai-Goa). The central part is called the Kannad plain and the southern stretch is known as the Malabar coast.

The eastern coastal plains are located between the Eastern Ghats and the Bay of Bengal. These plains are wider than the western coastal plains. Many rivers such as the Krishna and Godavari have formed deltas in this region. The eastern coastal plains are known as the Northern Circars in the northern part and as the Coromandel Coast in the southern part. Lake Chilika, the largest salt water lake in India, lies in the eastern coast.

The major landforms are; mountains, plateaus and plains.

Varanasi and Madurai were famous for the manufacture of cloth.

Vajji was a republican mahajanapada in mordern Bihar. Its capital was Vaishali and it was run by ganas or sanghas (assemblies).
The system of government in Vajji was known as gana or sangha. Vajji was administered by not one but many rulers. Each ruler was known as a raja. These rajas performed all the rituals together. All these rajas met in assemblies. Through discussions and debates in these assemblies they decided what had to be done and how. Both Buddha and Mahavira belonged to ganas and sanghas.

Vajji was a republican mahajanapada in mordern Bihar. Its capital was Vaishali and it was run by ganas or sanghas (assemblies).
The system of government in Vajji was known as gana or sangha. Vajji was administered by not one but many rulers. Each ruler was known as a raja. These rajas performed all the rituals together. All these rajas met in assemblies. Through discussions and debates in these assemblies they decided what had to be done and how. Both Buddha and Mahavira belonged to ganas and sanghas.

Vajji was a republican mahajanapada in mordern Bihar. Its capital was Vaishali and it was run by ganas or sanghas (assemblies).
The system of government in Vajji was known as gana or sangha. Vajji was administered by not one but many rulers. Each ruler was known as a raja. These rajas performed all the rituals together. All these rajas met in assemblies. Through discussions and debates in these assemblies they decided what had to be done and how. Both Buddha and Mahavira belonged to ganas and sanghas.

Following are the four ways in which the work of the Municipal Corporation affects the life of a city-dweller:

1. By keeping the drainage clean, it keeps the city clean.
2. By collecting and disposing off the garbage, it maintains cleanliness on streets.
3. By providing parks, it provides open space to people.
4. By working on malaria and dengue prevention, it helps the health of the people.