In an upper primary class lesson, students study how the local water crisis…

The NCERT National Curriculum Framework (NCF 2005) organizes Indian school education into four stages. Environmental Studies (EVS) is taught as an integrated science-and-social-science subject at the Primary stage (classes 3 to 5). At the Upper Primary stage (classes 6 to 8), the curriculum splits into separate subjects, including Social Science, which is taught through inquiry-based, learner-centered methods such as observation of the immediate environment, interviews or surveys of community members, and group discussion of real-life social problems.

In this scenario, the lesson is explicitly identified as an upper primary class, and the students investigate a real social issue, the local water crisis, by observing its effects on daily routines and family relationships and by interviewing people about it, before discussing possible solutions. This matches the Upper Primary Social Science method described above: observation, interviews, and discussion applied to a lived social problem.

Checking each remaining option against its own stated stage and method confirms this is the only fit:

• Senior Secondary with career preparation and vocational training describes classes 11 and 12, where the curriculum moves toward stream specialization and career-oriented or vocational components, not the observation-and-interview activity described here.

• Primary with EVS including observation and classification methods describes classes 3 to 5, where Environmental Studies uses observation together with classification-type activities such as grouping or sorting, not the stated upper-primary stage.

• Secondary with specific subjects including debate and discussion describes classes 9 and 10, where discrete subjects are taught using debate and structured discussion, not the observation-and-interview approach used here.

So the subject-area and method combination evident in the scenario is Upper Primary Social Science using observation and interviews.