Prepare an image for a government portal without losing the details
Ajay Ladva · 18 October 2026A repeatable way to meet upload limits while keeping forms, signatures and evidence readable.
Practical guides for real tasks
Step-by-step explainers that connect everyday questions to the tools on KRHTech. Check dates and verify official requirements before acting on financial, tax or identity documents.
How a reducing-balance EMI is calculated
Ajay Ladva · 18 October 2026Understand principal, rate, tenure, amortisation and the limits of a quick estimate.
GST inclusive vs exclusive: calculate the right base and tax
Ajay Ladva · 18 October 2026Worked examples for extracting tax from a price and adding tax to a pre-tax value.
JSON vs CSV: choose the format that fits the data
Ajay Ladva · 18 October 2026Compare structure, tabular data, escaping and practical conversion trade-offs.
Password security: make unique passwords practical
Ajay Ladva · 18 October 2026Use a password manager, passkeys and multi-factor authentication with a sensible recovery plan.
JPEG, PNG or WebP? Choose an image format by job
Ajay Ladva · 18 October 2026What each format keeps, what it throws away and when conversion is worth it.
Encoding is not encryption: protect data for the right reason
Ajay Ladva · 18 October 2026Distinguish representation, hashing and encryption before handling confidential data.
Test email and OTP flows without putting real accounts at risk
Ajay Ladva · 18 October 2026Build a safe, authorised QA workflow and avoid disposable inbox pitfalls.
A careful checklist for correcting a PDF invoice
Ajay Ladva · 18 October 2026Preserve provenance, check totals and keep an audit trail when correcting your own records.
Flat rate vs reducing balance: why loan interest comparisons mislead
Ajay Ladva · 18 October 2026Compare repayment schedules consistently instead of trusting a headline rate alone.