(i) The deltaic plain is an extension of the Khadar land. It covers about 1.9 lakh sq.km in the lower reaches of the Ganga River.
(ii) It is an area of deposition as the river flows in this tract sluggishly.
(iii) The deltaic plain consists mainly of old mud, new mud, and marsh.
(iv) In the delta region, the uplands are called 'Chars' while the marshy areas are called 'Bils'.

(i) These are the eastern off-shoot of Himalayas. It extended in the north-eastern states of India. Most of these hills are located along the border of India and Myanmar while others are inside India.
(ii) Dafla Hills, Abor Hills, Mishmi Hills, Patkai Bum Hills, Naga Hills, Manipur Hills, Mizo Hills, Tripura Hills, Mikir Hills, Garo Hills, and Khasi Hills are the hills which are collectively known as purvanchal hills.

(i) It is the source for many perennial rivers like Indus, Ganges, Brahmaputra, etc.
(ii) The Northern Mountains are described as the paradise of tourists due to its natural beauty.

India extends from 8° 04' N to 37° 06' N latitudes and between 68° 07' E to 97° 25' E longitudes.

i) This is a small group of coral islands located off the west coast of India. It covers an area of 32 sq. km.
ii) Lakshadweep islands are separated from the Maldive islands by the Eight Degree Channel.
iii) The uninhabited Pitts island of this group has a bird sanctuary.
iv) Kavaratti is its administrative capital.

Narmada, Tapti, Mahi and Sabarmathi are the west following rivers of India.

i) This physiographic division is the largest part of the plateau region of India. 
ii) The shape of this plateau is roughly triangular. 
iii) One of the sides of this triangle is marked by the line joining Kanyakumari with Raajmahal Hills and this line passes through the Eastern Ghats. 
iv) The second arm is marked by the Sapura Range, Mahadeo Hills, Maikal Range and the Raajmahal Hills. 
v) The third arm is marked by the Western Ghats. The area of this Plateau is about 7 lakh square km and the height ranges from 500 to 1000 m above sea level. 

The longitudinal difference between Gujarat in the west and Arunachal Pradesh in the east is about 30°. Since Arunachal Pradesh is towards east. it will have sunrise about two hours earlier than the sunrise at Gujarat which is in the west. In order to avoid these differences, Indian Standard Time is calculated. The IST is 5.30 hrs ahead of Greenwich Mean Time (GMT).

The neighbouring countries of India are Pakistan and Afghanistan in the North-West, China, Nepal and Bhutan in the North and Bangladesh and Myanmar in the East.