A social challenge faced by some parts of Sikkim is:

• Women are less likely to be educated than men.
• Women are less likely to be employed than men.
• Women are paid less than men for the same work.
• Women are more likely to be victims of violence than men.

Gender inequality is a serious problem that needs to be addressed. It can have a negative impact on the lives of women and girls, as well as on the development of society as a whole.

Here is a brief explanation of each option:

• Communal tensions are tensions between different religious or ethnic groups. They can lead to violence, discrimination, and other problems.
• Alcoholism is a condition in which a person has a dependency on alcohol. It can lead to health problems, financial problems, and relationship problems.
• Illiteracy is the inability to read or write. It can prevent people from getting jobs, participating in society, and taking care of themselves.