Explanation:

Popularly known as ‘Pink City’, Jaipur made an official entry in the list of the UNESCO World Heritage sites recently at the 43rd session of the Unesco World Heritage Committee.
The Walled City of Jaipur (Rajasthan) known for its iconic architectural legacy and vibrant culture, on made its entry into the UNESCO World Heritage Site list.
The announcement was made after the 43rd Session of the UNESCO World Heritage Committee, underway at Baku (Azerbaijan).
With this, India now has 38 World Heritage Sites(30 cultural properties, 7 natural properties and one mixed site)

Hence option 2 is correct answer.