The correct answer is option 'A', Sarva Siksha Abhiyan. Sarva Siksha Abhiyan (SSA) is a significant step towards providing basic education to children in the age group of 6-14 years in India. It is a flagship program of the Government of India launched in 2001 to achieve universal elementary education (UEE) by providing access to quality education for all children.

**Explanation:**

**1. Introduction to Sarva Siksha Abhiyan (SSA):**
- Sarva Siksha Abhiyan (SSA) is a program implemented by the Government of India in partnership with state governments to provide universal access to elementary education for all children in the age group of 6-14 years.
- It aims to bridge the gaps in education and ensure that every child receives quality education.

**2. Objectives of Sarva Siksha Abhiyan (SSA):**
- The main objective of SSA is to provide elementary education to all children in the age group of 6-14 years.
- It aims to bridge social, regional, and gender gaps in education by ensuring the participation of marginalized and disadvantaged groups.
- SSA focuses on improving the quality of education by providing better infrastructure, trained teachers, and inclusive education for children with special needs.
- It also aims to enhance community participation and ownership in the management of schools.

**3. Key Features and Components of Sarva Siksha Abhiyan (SSA):**
- The program emphasizes the provision of free and compulsory education for all children.
- SSA provides for the opening of new schools in areas where there are no schools or inadequate schooling facilities.
- It focuses on the recruitment and training of teachers to ensure quality education.
- Special attention is given to the education of girls and children from marginalized communities.
- SSA provides for the development of appropriate curriculum and teaching-learning materials.
- The program also emphasizes the importance of regular monitoring and evaluation to ensure effective implementation.

**4. Impact of Sarva Siksha Abhiyan (SSA):**
- Since its inception, Sarva Siksha Abhiyan has made significant progress in achieving its objectives.
- It has helped in increasing enrollment rates, reducing dropout rates, and improving the overall quality of education.
- SSA has also played a crucial role in bridging the gender gap in education by promoting girls' education.
- It has contributed to the overall development of children through various initiatives like mid-day meal program, free textbooks, uniforms, and scholarships.

In conclusion, Sarva Siksha Abhiyan (SSA) is a significant step towards providing basic education to children in the age group of 6-14 years. It has brought about positive changes in the education system by ensuring access to quality education for all children, especially those from marginalized and disadvantaged groups.