Article Detail Which is the smallest state of India by Population ? Answer: Sikkim Similar Questions : 1. Which is Longest national highway of India ? Answer: NH-7 ( Varanasi to Kanyakumari - 2,369 km) 2. Which is the Largest lake of the world ? Answer: Caspian Sea (371,000 sq km) 3. Which state is largest by Population ? Answer: Uttar Pradesh 4. Which is the largest Zoo in the World ? Answer: Berlin Zoological Garden (Germany) 5. Which is the longest road in India ? Answer: Grand Trunk Road (2500 Km) 6. Which is the Densest populated State of India ? Answer: West Bengal 7. Which is the deepest lake of the world ? Answer: Lake Baikal Read more from - Longest and Largest