CSR and Social Governance · Social Impact Assessment and CSR Audit

Social Impact Assessment Methods and Tools in CSR

Updated 11 October 2026 · Fact-checked

Social impact assessment measures the change a CSR project causes in people's lives, beyond what it spends or delivers. You plan with a theory of change and logical framework, collect a baseline, consult stakeholders, measure outputs, outcomes and impact, and often value the change using SROI.

Understand Social Impact Assessment Methods and Tools

A CSR project does something. The big question is whether it changed anything. Social impact assessment (SIA) is the structured way to answer that. It compares the situation before and after the project, and asks how much of the change is due to the project.

Start with three terms that students often mix up. Inputs are the resources used, such as money and staff. Outputs are what the project directly delivers, such as 200 toilets built or 1,500 students trained. Outcomes are the changes that follow in the lives of beneficiaries, such as better school attendance or higher household income. Impact is the long-term, net change attributable to the project after allowing for what would have happened anyway.

Methods and tools help at each stage. A baseline survey records the starting position before work begins. A theory of change maps the logic: if we do X, then Y changes, which leads to Z, and lists the assumptions behind each link. A logical framework (logframe) turns that logic into a matrix of goal, purpose, outputs and activities, with indicators, means of verification and assumptions for each. Stakeholder consultation brings in beneficiaries, the community, implementing agency, government and company staff, so that indicators reflect what matters to them.

SROI (social return on investment) goes one step further. It gives money values to outcomes and compares them with the investment. An SROI of 1:3 means each ₹1 invested creates ₹3 of social value. Valuation needs care. You must adjust for deadweight (change that would have happened anyway), attribution (share due to others), displacement and drop-off over time.

The Companies Act, 2013 does not prescribe one method. Section 135 requires the Board to ensure that the activities in the CSR Policy are undertaken and that the CSR Committee monitors the policy. Which projects need a formal impact assessment, and by whom, is set by the CSR Rules, so state that point without a section number. In an answer, link the tool to the monitoring and reporting duty and choose a method that suits the project size and data available.

Key rules to remember

SROI ratio: SROI = Present value of social value created ÷ Value of investment; A ratio of 3 is written 3:1 or 'for every ₹1 invested, ₹3 of value'. Both numerator and denominator should be in present value terms.
Net social value: Net social value = Present value of social value − Value of investment; Positive means value created exceeds the investment.
Adjusted outcome value: Impact value = Gross outcome value × (1 − deadweight) × (1 − attribution) × (1 − displacement); Each adjustment is a proportion between 0 and 1. Drop-off over later years is applied separately.
Results chain: Inputs → Activities → Outputs → Outcomes → Impact; Outputs are counted; outcomes and impact are changes in people's lives.
Change over baseline: Change = Endline value of indicator − Baseline value of indicator; For net impact, also compare with a similar group not covered by the project, where one is available.

How to solve Social Impact Assessment Methods and Tools questions

For any question on methods and tools, follow the life cycle of an assessment and name the tool at each stage.

1Define the project, its objective and the stakeholders. State the Schedule VII area and the intended change.
2Build the logic using a theory of change or logframe. Write the results chain and the key assumptions.
3Choose indicators for outputs, outcomes and impact. Make them measurable, with a source and frequency.
4Collect the baseline through survey, interviews or records before the work begins.
5Consult stakeholders through focus groups, interviews and community meetings. Include the weaker voices.
6Collect endline data and compare with the baseline. Adjust for deadweight and attribution.
7Value the outcomes if needed, using SROI, and compute the ratio.
8Report findings to the CSR Committee and Board, and state the lessons and corrective action.

Quickest way: Chain, tool, number

When to use it: Use when the question asks you to explain, compare or apply a tool in limited time.

Write the results chain: input, output, outcome, impact, with one project example.
Name the tool and say what it does in one line each: baseline, theory of change, logframe, stakeholder consultation, SROI.
If numbers are given, apply the SROI formula, with adjustments first.
Close with the link to the Board and CSR Committee monitoring duty and to reporting.

Common mistakes in Social Impact Assessment Methods and Tools

Treating outputs as impact, for example saying 500 tree saplings planted is the impact.
Outputs are easy to count and are in the company's records.
Fix: Count is an output. Impact is the lasting change, such as increased green cover or income, net of what would have happened anyway.
Skipping the baseline and measuring only at the end.
Students think assessment starts after the project.
Fix: Say the baseline is collected before the project starts. Without it there is nothing to compare with.
Treating theory of change and logframe as the same tool.
Both show the logic of a project.
Fix: Theory of change explains how and why change happens, with assumptions. The logframe is a matrix with indicators, verification and assumptions for monitoring.
Computing SROI on gross benefits without adjusting for deadweight and attribution.
Students rush to divide value by cost.
Fix: Apply the adjustments first, then discount to present value, then divide by the investment.
Quoting a section number for the choice of method or claiming the Act prescribes SROI.
Students try to anchor every point in a section.
Fix: Cite Section 135 only for the Board and CSR Committee duties on policy and monitoring. Say that the CSR Rules deal with impact assessment requirements, and that the choice of tool is a professional decision.

Worked examples

Example 1

A company spends ₹40,00,000 on a skills programme. 400 youth complete training (output). 240 get jobs. Of these, 25% would have found jobs without the programme. Each job adds ₹60,000 of annual income. Ignoring discounting, displacement and attribution to others, compute the value of outcome for one year and the SROI. Also state output and outcome.

Show the solution

Output: 400 youth trained. Outcome: 240 youth employed with higher income.
Deadweight: 25% of 240 = 60 jobs would have happened anyway.
Jobs attributable to the programme = 240 − 60 = 180.
Value created in one year = 180 × ₹60,000 = ₹1,08,00,000.
SROI = ₹1,08,00,000 ÷ ₹40,00,000 = 2.7.

Answer: Output is 400 trained; outcome is 240 employed. Adjusted value for one year is ₹1,08,00,000 and SROI is 2.7:1, meaning ₹2.70 of value for every ₹1 invested.

Example 2

Explain how a company should assess the social impact of a rural drinking water project using baseline survey, theory of change and stakeholder consultation.

Show the solution

Baseline: before work starts, survey households on distance to water, hours spent collecting it, waterborne illness and school absence.
Theory of change: if safe water is supplied near homes, time spent collecting falls and illness reduces. Girls attend school more and households save medical costs. Assumptions: the system is maintained and the community uses it.
Stakeholder consultation: involve the village panchayat, women who collect water, the implementing agency and health workers to choose indicators and test assumptions.
Endline: repeat the survey after a suitable period and compare with the baseline. Separate the share of change due to the project from other causes.
Report to the CSR Committee and Board, and use findings to improve the project.

Answer: The assessment compares baseline and endline data on water access, health and school attendance. The theory of change gives the logic and assumptions, and consultation ensures indicators matter to the community. The result informs the Board's monitoring under Section 135.

Exam tips

Always define output, outcome and impact with one project example. Examiners reward this distinction.
When asked for tools, give a short list with what each does, then apply one in detail.
For numerical SROI, show adjustments first, then the ratio, and state the unit.
Tie your answer to the Board and CSR Committee monitoring duty in Section 135 and mention that the CSR Rules deal with impact assessment. Do not invent section numbers.
In case-based questions, end with a clear recommendation on which tool suits the project and why.

Practice questions from Social Impact Assessment and CSR Audit

Social Impact Assessment Methods and Tools: frequently asked questions

What is the difference between output, outcome and impact in CSR?

Output is what the project directly delivers, such as classrooms built. Outcome is the change for beneficiaries, such as better learning. Impact is the long-term net change attributable to the project, after allowing for other causes.

What is SROI in CSR?

SROI is social return on investment. It values the social outcomes of a project in rupees and divides by the investment. A ratio of 3:1 means ₹3 of social value for each ₹1 invested.

What is the difference between theory of change and logical framework?

Theory of change explains how and why activities will lead to change, including assumptions. The logical framework is a structured matrix of goal, purpose, outputs and activities with indicators, verification means and assumptions.

Why is a baseline survey needed?

It records the situation before the project. Without it you cannot show what changed. It also lets you set targets and compare the endline results.

Does the Companies Act prescribe an impact assessment method?

No. Section 135 requires the Board to ensure the CSR Policy activities are undertaken and the CSR Committee to monitor the policy. The CSR Rules cover impact assessment requirements, and the method is left to the assessor.