Which among the following achievements of Right to Education Act, 2009 is/are correct?
1. The RTE Act has successfully managed to increase enrolment in the upper primary level (Class 6-8)
2. Stricter infrastructure norms resulted in improved school infrastructure, especially in rural areas
3. More than 3.3 million students secured admission under 25% quota norm under RTE
4. It made education inclusive and accessible nationwide
Select the correct option:

A. Only 2 and 3

B. 1, 2, 3 and 4

C. Only 1

D. Only 1 and 2

Answer: Option B