Which of the following about Khijadiya Bird Sanctuary is/are correct?

$1.$ It is recently declared as a Ramsar Site (wetlands of international importance)

$2.$ It is located in Uttar Pradesh

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With reference to Bhindawas Wildlife Sanctuary, Sultanpur National Park, Thol Lake Wildlife Sanctuary and Wadhwana Wetland, which of the following statements is/are correct ? 

$1$. All of them are Ramsar sites.

$2$. All of them are naturally formed wetlands.

$3$. All of them are birding sites.

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Which of the following factors signify monopolistic competition?

$1.$ Differentiated products
$2.$ Large number of buyers and sellers
$3.$ Barriers to entry
$4.$ Homogeneous products

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Article $19\left(1\right)$ of the Constitution of India, as it stands amended, includes which of the following?

$1.$ Freedom of speech and expression
$2.$ Assemble peaceably and without arms
$3.$ To acquire and dispose property
$4.$ To move freely throughout the territory of India

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