Oil and Natural Gas Corporation

Time Series Forecasting Intern

InternshipIn OfficeMohali, Punjab3 months17K/mo4 openingsImmediate / Rolling

About this internship

Join Oil and Natural Gas Corporation in Mohali as a Time Series Forecasting Intern. This entry-level internship is designed for students and recent graduates who learn best by building, shipping and getting real feedback on time series analysis and forecasting work. About the role As a Time Series…

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Skills you'll use

Time Series AnalysisARIMA & ProphetSeasonalityBacktestingPythonPandasStatisticsFeature EngineeringForecast Accuracy (MAPE)Visualisation

What you'll do

Work on forecasting demand or load honestly — respecting seasonality, holidays and the fact that the future is not in the training set alongside the core team
Apply Time Series Analysis, ARIMA & Prophet, Seasonality, Backtesting to live, production-facing problems
Document your work clearly for reviewers and stakeholders
Participate in reviews and act on the feedback you receive
Collaborate across engineering, product, design or business as required
Follow the team's quality, testing and documentation standards

Who can apply

Pursuing or recently completed B.E./B.Tech (any branch), MCA, M.Sc (Statistics / Mathematics / Economics) or equivalent
Graduating batch 2025, 2026 or 2027 — final-year students and recent graduates welcome
60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
Working knowledge of Time Series Analysis, ARIMA & Prophet, Seasonality (or a genuine willingness to learn them)
Exposure to Backtesting, Python, Pandas is an advantage
Clear written and verbal communication in English, and care with detail in your work
No prior work experience required — this is a fresher-friendly internship
Based in Mohali, Punjab or willing to work from there for the internship period

Perks & benefits

Flexible working hoursNetworking with senior professionalsInternship CertificateLetter of RecommendationMentorship from a named mentorStructured onboarding and a formal mentor at a large, established employer

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Technical interview on fundamentals and your projects
3Practical assignment or case study with a short walkthrough
4HR discussion — stipend, start date, expectations and offer

About Oil and Natural Gas Corporation

Oil and Natural Gas Corporation operates in the oil & gas exploration sector and has an active presence in Mohali. Interns here are put on real work from the start, because the team's view is that the fastest way to learn a craft is to practise it under people who already do it well — not to watch…

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