BSNL IDA Hike Calculators (2007 & 2017 Pay Scale)
Welcome to the most comprehensive BSNL IDA calculator for employees and pensioners. Whether you are on the 2007 Pay Scale or the 2017 Pay Scale, these tools will help you accurately calculate the latest Dearness Allowance hike and predict future increases based on All India Consumer Price Index (AICPI) data.
1. Last DA Hike Calculator (w.e.f. 01-10-2025)
This calculator is pre-filled with the official AICPI data that determined the IDA hike effective from October 1, 2025. Simply enter your basic pay and select your pay scale to see the exact impact on your monthly salary or pension.
Official AICPI Data Used: June 2025 (145.0), July 2025 (146.5), August 2025 (147.1)
Last IDA Hike Calculation (01-10-2025)
2. Predict Your Next DA Hike
Use this powerful IDA prediction calculator to estimate the next hike. Enter the expected AICPI figures for the upcoming quarter, your basic pay, and your current IDA rate to get a reliable forecast.
For Reference: To predict the hike for January 2026, you can enter hypothetical future values for Sep, Oct, and Nov 2025. For example, you could try values like: Month 1 (148.0), Month 2 (148.5), and Month 3 (149.0) to see a possible outcome.
Future IDA Prediction Calculator
IDA Calculator: Your Step-by-Step Guide to Understanding DA Hikes
Are you a Public Sector Undertaking (PSU) employee or pensioner on the 2007 or 2017 Pay Scale? Understanding your Industrial Dearness Allowance (IDA) hike is crucial for your financial planning. This comprehensive guide will walk you through everything you need to know about your IDA, how much it increases, and how to use our dedicated IDA Calculator to find your exact figures.
How Much is the Latest IDA Hike? (Effective October 1, 2025)
The latest IDA hike, effective from October 1, 2025, has been determined by the average All India Consumer Price Index (AICPI) for June, July, and August 2025. Here’s a quick summary:
- For 2007 Pay Scale: The IDA has increased by approximately **4.6%**, moving from 228.70% to 233.3%.
- For 2017 Pay Scale: The IDA has increased by approximately **2.1%**, moving from 49.70% to 51.8%.
To find out the exact monetary increase for your specific basic pay, use the “Last DA Hike Calculator” located just above this post!
How the IDA Calculator Works: Behind the Numbers
Our IDA Calculator uses the official methodology for Industrial Dearness Allowance calculations for PSU employees and pensioners. The core of the calculation relies on the quarterly average of the All India Consumer Price Index (AICPI).
Here’s a simplified breakdown:
- AICPI Data Collection: The calculator takes the AICPI numbers for the last three months of a quarter (e.g., June, July, August for the Oct-Dec quarter).
- Average Calculation: These three monthly figures are averaged.
- Base Index Comparison: This average is then compared against a specific base index relevant to your pay scale (2007 or 2017).
- Percentage Derivation: A formula is applied to this comparison to derive the new IDA percentage.
The 2007 and 2017 pay scales have different base points and sometimes require different conversion factors, which our calculator handles automatically. You simply select your scale, and the calculator does the complex work for you.
Step-by-Step Guide: Using the IDA Calculator
Our IDA Calculator is designed to be user-friendly. Here’s how to use both sections:
1. Using the “Last DA Hike Calculator”
This calculator is pre-loaded with the official AICPI data for the last declared hike (effective Oct 1, 2025).
- Step 1: Enter Your Current Basic Pay (₹)
Locate the input field labeled “Step 1” and type in your current basic pay amount (e.g., 35000). - Step 2: Select Your Pay Scale
From the dropdown menu labeled “Step 2,” choose either “2007 Pay Scale” or “2017 Pay Scale” depending on your applicable scale. - Click “Calculate Last Hike”
Press the green button. The results will immediately appear below, showing your new IDA rate, the increase percentage, and the monthly monetary increase.
2. Using the “Predict Your Next DA Hike” Calculator
This section helps you forecast future hikes by letting you input hypothetical AICPI data.
- Step 1: Enter Expected AICPI for 3 Months
In the three input fields under “Step 1,” enter your assumed AICPI numbers for the next three months relevant to the upcoming hike. For example, to predict the Jan 2026 hike, you’d input values for Sep, Oct, Nov 2025. - Step 2: Enter Your Current Basic Pay (₹)
Input your current basic pay amount here. - Step 3: Enter Your Current IDA Rate (%)
Enter your most recently received IDA percentage (e.g., 233.3 for 2007 Pay Scale, or 51.8 for 2017 Pay Scale). This helps the calculator determine the *increase* from your current rate. - Step 4: Select Your Pay Scale
Choose your pay scale from the dropdown. - Click “Predict Hike”
Press the blue button. The calculator will show you the predicted new IDA rate, the expected increase, and the monetary impact based on your inputs.
Frequently Asked Questions (FAQs) about IDA
Q1: What is IDA?
A: IDA stands for Industrial Dearness Allowance. It is a component of salary/pension paid to employees/pensioners of Public Sector Undertakings (PSUs) in India to compensate for inflation. It is revised quarterly based on the All India Consumer Price Index (AICPI).
Q2: How often is IDA revised?
A: IDA is revised every three months (quarterly) and becomes effective from January 1st, April 1st, July 1st, and October 1st of each year.
Q3: What AICPI data is used for IDA calculation?
A: The IDA for a particular quarter is calculated based on the average AICPI numbers of the preceding three months. For example, the IDA effective from October 1st is based on the average AICPI of June, July, and August.
Q4: Why are there different pay scales (2007 & 2017) for IDA?
A: Different pay scales have different base levels for salary and IDA calculations, arising from various pay revision committees. The formulas and base indices used to calculate IDA differ slightly between these pay scales to maintain relativity.
Q5: Is this IDA Calculator applicable to all government employees?
A: No, this IDA Calculator is specifically designed for employees and pensioners of Public Sector Undertakings (PSUs) whose Dearness Allowance is linked to the Industrial Dearness Allowance (IDA) pattern. Central Government employees follow a different Dearness Allowance (DA) calculation method.
We hope this detailed guide empowers you to better understand and utilize our IDA Calculator. Keep checking back for the latest updates and accurate calculations!