Largest cities
Mumbai 12,442,000 pop., 25,189,000 urban aggl.
Delhi 11,035,000 pop., 31,190,000 urban aggl.
Bangalore 8,495,000 pop., 15,257,000 urban aggl.
Hyderabad 6,993,000 pop., 9,797,000 urban aggl.
Ahmadabad 5,634,000 pop., 8,006,000 urban aggl.
Chennai 4,647,000 pop., 11,570,000 urban aggl.
Surat 4,502,000 pop., 6,601,000 urban aggl.
Kolkata 4,497,000 pop., 21,747,000 urban aggl.
Pune 3,124,000 pop., 6,819,000 urban aggl.
Jaipur 3,046,000 pop., 4,360,000 urban aggl.
Lucknow 2,817,000 pop., 4,661,000 urban aggl.
Kanpur 2,768,000 pop., 4,350,000 urban aggl.
Nagpur 2,406,000 pop., 3,493,000 urban aggl.
Indore 1,994,000 pop., 3,765,000 urban aggl.
Patna 1,684,000 pop., 3,331,000 urban aggl.
Varanasi 1,198,000 pop., 3,229,000 urban aggl.
Kozhikode 550,000 pop., 3,049,000 urban aggl.
Highest mountains
Kangchenjunga 8,586 m (28,169 ft)
Nanda Devi 7,816 m (25,643 ft)
Longest rivers
Indus 3,200 km (1,988 mi) total, including Chinese and Pakistani sections
Brahmaputra 2,900 km (1,802 mi) total, including parts in China and Bangladesh
Ganges 2,480 km (1,541 mi) total, final small portion is in Bangladesh
Godavari 1,465 km (910 mi)
Krishna 1,400 km (870 mi)
Narmada 1,312 km (815 mi)
Largest lakes
Vembanad Lake 2,033 kmē (785 sq mi)
Chilika Lake 1,165 kmē (450 sq mi)
Largest islands
Middle Andaman 1,536 kmē (593 sq mi)
North Andaman 1,317 kmē (508 sq mi)
South Andaman 1,262 kmē (487 sq mi)
Great Nicobar 1,045 kmē (403 sq mi)
Little Andaman 707 kmē (273 sq mi)