If you’re looking for a budget-friendly way to keep your BSNL number active with basic benefits, the BSNL cheapest monthly plan is exactly what you need in 2025. Whether you want affordable calling, light data usage, or just a valid plan to receive OTPs and keep your SIM working, BSNL offers some of the lowest-cost 28-day recharge options in India.
In this blog, we’ll cover the most affordable monthly BSNL plans, what they include, who they’re ideal for, and how to recharge them quickly.
Why Go For BSNL’s Low-Cost Monthly Plans?
Not everyone needs unlimited data or OTT apps. For many users — especially senior citizens, students, or those using BSNL as a secondary SIM — the priority is validity, incoming/outgoing calls, and just enough data to stay connected.
BSNL’s cheapest monthly plans are great for:
- Keeping your SIM active
- Basic calling needs
- Minimal data usage (like WhatsApp or Google searches)
- Receiving OTPs and messages
🔹 BSNL Cheapest Monthly Plans (28 Days) in 2025
Here are the most affordable BSNL plans with around 28 days validity:
₹87 Plan – Budget Combo Pack
- Validity: 14 days
- Data: 1GB/day
- Calling: Unlimited
- SMS: Not included
- Extras: Free PRBT (caller tune)
Though it’s not a full 28-day plan, this is one of the cheapest options for daily data and unlimited calls. You can recharge it twice a month and still save money compared to other monthly plans.
₹107 Plan – Mini Validity + Data
- Validity: 35 days
- Talktime: ₹107 worth
- Data: 3GB total
- Calls & SMS: As per main balance
This is a good pick if you just want to keep your number active with a bit of talktime and light data. Great for people who receive more than they call.
₹153 Plan – Most Affordable Full-Month Pack
- Validity: 28 days
- Data: 1GB/day
- Calling: Unlimited
- SMS: 100/day
- Extras: Free BSNL Tunes
This is BSNL’s cheapest proper monthly combo pack with daily data, unlimited voice calls, and SMS — perfect for someone who wants full features at a low cost.
₹187 Plan – Better Data + Calling Option
- Validity: 28 days
- Data: 2GB/day
- Calling: Unlimited
- SMS: 100/day
- Extras: Free PRBT
If you can stretch your budget a little, this plan gives more daily data while still keeping the price low. Ideal for moderate users who stream or work online occasionally.
How To Recharge The Cheapest BSNL Monthly Plan
You can recharge using:
- BSNL’s official website – www.bsnl.co.in
- My BSNL App
- Paytm, PhonePe, Google Pay, Amazon Pay
- Retail shops or BSNL CSCs
BSNL’s cheapest monthly plans in 2025 are all about simplicity and value. Whether you want unlimited calls, daily data, or just to keep your number active, there’s a low-cost option for every need.