Article Detail Which is smallest state by area of India ? Answer: Goa Similar Questions : 1. Longest rail tunnel in the world ? Answer: Seikan Tunnel (Japan - 53.9 Km) 2. Which is the biggest country in Area ? Answer: Russia 3. Which is the deepest lake of the world ? Answer: Lake Baikal 4. Which is largest Delta of India ? Answer: Sundarban (W. Bengal) 5. Which is Highest Battle field ? Answer: Siachin Glacier. Mastguru team Salutes to Indian soldiers. 6. Which is Largest railway route in India ? Answer: Dibrugarh in Assam to Kannyakumari in Tamil Nadu. 7. Which is longest river of South India ? Answer: Godavari Read more from - Longest and Largest