Learn the work behind Data, AI & Forward Deployed Engineering
Practical explanations, career decisions and reproducible workflows. Read the reasoning, inspect the evidence and follow the next skill into a real programme.
Government skill schemes in UP, Delhi and Haryana: how to check
Delhi NCR spans three states, so a learner in Gurugram, one in Noida and one in Dwarka can each be eligible for different government skill schemes. The reliable way to find one is to start from the state skill mission's…
Joining or founding an NCR startup: reading DPIIT recognition
DPIIT recognition is a government label confirming that an Indian entity fits the official definition of a startup. The entity must be a private limited company, partnership firm, LLP or cooperative society. It must be…
Behavioural interview questions for analysts with STAR answers
Behavioural questions for analyst roles ask about a past situation — an error you caught, a stakeholder you disagreed with, a deadline you nearly missed — and they are scored on what you personally did and what changed…
SQL window function interview questions with runnable answers
Window function questions in an analyst interview test whether you can compute a value per row while still seeing the rows around it: rankings within a group, running totals, previous-period comparisons and…
SQL join and NULL interview traps, answered and tested
Most SQL join questions in analyst interviews are really NULL questions: a LEFT JOIN that quietly becomes an INNER JOIN, a NOT IN that returns nothing, a COUNT that disagrees with a SUM. Interviewers use them because…
SQL first or Python first? Decide from the work you want
If your target is a data analyst, MIS or BI role, learn SQL first. Most of that work starts by pulling and summarising data from tables, and SQL gets you doing useful work fastest. If you're aiming for data science…
SQL date and time interview questions with SQLite answers
Date and time questions in a SQL interview test whether you can group, compare and fill periods without silently shifting rows into the wrong day, month or financial year. This bank is laid out as a 30-minute live round…
SQL in 30 days for a final-year student: a day-by-day plan
You can learn the SQL that entry-level data tests check in 30 days at one hour a day, if every session is spent writing queries. The plan below uses SQLite, which ships with Python, and moves from single-table queries…
Split a master sheet into one Excel file per branch, safely
To split a master sheet into one Excel file per branch, clean the branch column first (trim spaces, fix capitalisation, set aside blanks), group by branch, write each group to its own workbook with a safe file name, and…
Sonipat, Panipat or Rohtak learner? A weekly DS study rhythm
If you study data science from Sonipat, Panipat or Rohtak, plan your study to be fully online and treat the Noida centre as an occasional extra. You are at the far north-western edge of the metro network, and Noida is…
Solutions engineer vs forward deployed engineer: how the work differs
A solutions engineer is a technical specialist who helps sell a product: running demos, answering security and architecture questions, and building proofs of concept before a contract is signed. A forward deployed…
Solar plant performance ratio: separate weather from equipment losses
Performance ratio (PR) is the energy a solar plant delivered divided by the energy it would have delivered if it converted plane-of-array sunlight at its rated DC capacity: final yield (kWh AC ÷ kWp) over reference…
Not sure which programme fits?
Tell us your background and we will map it to the right entry point — including saying so when a cheaper programme is the better fit. A counsellor replies within one working day.