Legal Documents

A51 বাজির Terms & Conditions — fully in Bangla

Please read the following terms carefully before using the a51 platform. They outline both your rights and responsibilities. We believe in an honest, transparent relationship — which is why everything is written in plain, straightforward language.

Last Updated: January 1, 2026  |  Language: Bengali (bn-BD)
Key Information at a Glance
Minimum Age18+
LicenseCuracao eGaming
Minimum Deposit৳100
Bonus Wagering×18 (Sports)
KYC VerificationMandatory
Withdrawal Timeframe5–15 minutes
Support24/7 in Bengali
Key Highlights

6 Key Sections of Our Terms & Conditions

The following 6 points form the foundation of your relationship with a51. Each is explained in detail below.

Section 1
Account & Registration

Each individual may register only one account. Providing accurate information is mandatory. a51 reserves the right to close any account found to have submitted false details.

Section 2
Bonus & Promotions Policy

A specific wagering requirement must be fulfilled to claim your Welcome Bonus. Bonus funds cannot be withdrawn directly, and the same bonus cannot be claimed more than once.

Section 3
Deposits & Withdrawals

Minimum deposit is ৳100. Large withdrawals require KYC verification. Withdrawals can only be made via the same method used to deposit.

Section 4
Betting & Gaming Rules

All bets are final once placed and cannot be cancelled. In the event of a technical error, a51 reserves the right to void any affected bets. Results determined by RNG are final.

Section 5
Security & Privacy

Your personal information is kept secure. Do not share your password with anyone. If suspicious activity is detected, your account may be temporarily suspended.

Section 6
Responsible Gaming

Users under 18 are not permitted to play. Deposit limits and self-exclusion options are available. If you need help, please contact support.

01
General Terms & Conditions
Required

By using the a51 Baji (hereinafter referred to as "a51", "we", or "the Platform") website and services, you confirm that you have read and agreed to abide by these Terms & Conditions in full. If you do not agree to these terms, please refrain from using a51.

A51 is an international online gaming platform licensed by Curacao eGaming, headquartered in Willemstad, Curaçao. These terms and conditions may be updated from time to time — users will be notified before any changes take effect.

Please note: By using a51's services, you confirm that you are at least 18 years old and that online gaming is legal in your jurisdiction.

These terms and conditions have been written in Bengali for the convenience of users in Bangladesh. However, the English version shall prevail for all legal interpretations.

02
Account & Registration
Important

To open an account at a51, you must provide accurate and complete information. Each individual may hold only one account — creating multiple accounts is strictly prohibited and will result in all associated accounts being closed.

What you need to register:

  • Full legal name as it appears on your National ID
  • An active mobile number (for OTP verification)
  • Date of Birth (must be 18 years of age or older)
  • A strong password (at least 8 characters)

Opening an account under someone else's name or with false identity is strictly prohibited. a51 reserves the right to close any suspicious account without prior verification, and the balance may be forfeited in such cases.

Account security is entirely your responsibility. Never share your login credentials with anyone. If you notice any suspicious activity on your account, contact our support team immediately.

03
Deposits & Payments
Required

A51 supports deposits via multiple payment methods, each with its own limits and processing times.

Key Deposit Rules:

  • Minimum Deposit Amount: ৳100
  • Deposits must be made from your own account
  • Deposits made through third parties are strictly prohibited
  • Funds will be credited to your a51 wallet immediately upon successful deposit
  • Instant deposits available via bKash, Nagad, and Rocket
  • Bank transfers may take 1–2 hours to process

Secure Payments: All payments on a51 are secured with 256-bit SSL encryption. We will never ask for your card or mobile banking PIN.

If you experience any issues with a deposit, contact our support team right away. We resolve queries within 24 hours. If a deposit fails but your account has been charged, a refund will be processed automatically.

04
Withdrawal Policy
Important

Certain conditions must be met to successfully withdraw from a51. We are committed to ensuring the fastest possible payouts.

  • Minimum Withdrawal: ৳300
  • KYC verification is mandatory for your first withdrawal
  • Withdrawals can only be processed to the same payment method used for the deposit
  • Average processing time via Mobile Banking: 5–15 minutes
  • 2–4 hours for bank transfers
  • Wagering must be completed before any bonus winnings can be withdrawn
  • Daily withdrawal limits vary by payment method

In cases of money laundering or suspicious financial activity, a51 reserves the right to freeze withdrawals and report the matter to the relevant authorities. a51's decision in such matters is final.

Once a withdrawal request has been submitted, the option to cancel it is limited. If the request is already being processed, cancellation may not be possible — so please make sure before submitting.

05
Bonus & Promotions Policy
Important

A51 offers a wide range of bonuses and promotions, each with its own terms and conditions that must be met.

General Bonus Terms:

  1. Welcome Bonus: 100% bonus on your first deposit, up to ৳10,000. Wagering requirement: ×18 (Sports) or ×30 (Casino).
  2. Reload Bonus: 50% reload bonus every Monday on re-deposits. Same terms apply.
  3. Cashback: Weekly cashback is credited as real cash — no wagering required.
  4. Free Bet: Winnings from free bets on eligible events can be withdrawn, but the original bonus amount cannot.

Understanding Wagering Requirements: Bonuses cannot be withdrawn directly — a wagering requirement must be completed first. For example: a ৳1,000 bonus × 18 means you must place ৳18,000 in bets before you can withdraw.

Bonuses are generally valid for 7 days. If wagering requirements are not met within the specified period, both the bonus and any winnings derived from it will be forfeited.

Multiple bonus claims from the same person, device, or IP address are not permitted. a51 reserves the right to suspend any account found engaging in such activity.

06
Betting & Gaming Rules
Required

All gaming and betting activities on a51 operate under clearly defined rules. Please keep the following in mind:

  • Bets cannot be changed or cancelled once placed
  • If incorrect odds are displayed due to a technical error, a51 reserves the right to void the affected bets
  • Bets placed on events involving match-fixing or manipulation will be voided
  • Casino games use an RNG (Random Number Generator), and all outcomes are completely random
  • Maximum winnings may vary depending on the game or market
  • Accounts found to be using arbitrage betting or systematic betting patterns may be restricted

Sports Betting: Bet on Bangladesh cricket, IPL, BPL, and 235+ other markets. a51 odds are updated regularly to reflect the latest market movements.

07
KYC Verification Process
Required

The KYC (Know Your Customer) process is mandatory to protect your account and ensure compliance with international financial regulations.

What you need for KYC:

  • Government-issued photo ID (NID, passport, or driving licence)
  • Selfie holding your ID document
  • Proof of address (where applicable)
  • Screenshot of payment method (if required)

KYC verification is typically completed within 30 minutes to 24 hours. Once verified, you will not need to repeat the process. Your information is kept strictly confidential and used solely for verification purposes.

08
Security & Personal Information
Important

A51 takes the protection of your personal data extremely seriously. We use 256-bit SSL encryption and PCI DSS-compliant technology to keep your information safe.

  • Never share your password with anyone — a51 staff will never ask for your password
  • Do not click on suspicious links or emails
  • Avoid logging in over public Wi-Fi
  • Keep Two-Factor Authentication (2FA) enabled
  • If you notice any unfamiliar activity on your account, contact support immediately

Phishing Warning: Fraudulent links or messages impersonating a51 may circulate online. Always access the platform directly at a51-baji.com. Our official email domain is @a51-baji.com.

A51 does not sell your information to third parties. Read our Privacy Policy for full details on how your data is collected and used.

09
Responsible Gaming Policy
Required

A51 believes gaming should be a source of entertainment — not stress or addiction. That's why we provide responsible gaming tools for our users.

Responsible Gaming Tools:

  • Deposit Limit: Set daily, weekly, or monthly deposit limits
  • Session Time Limit: Automatic logout after a set period of inactivity
  • Cooling-Off Period: Temporarily suspend your account for anywhere between 24 hours and 30 days
  • Self-Exclusion: Option to permanently close your account
  • Reality Check: Notifications showing how much time and money you have spent after a set period

Need Help? If you feel that gaming is negatively affecting your daily life, relationships, or finances, please contact us immediately. Visit our Responsible Gaming page for more information.

Under-18 Restriction: a51 strictly prohibits minors from participating in gaming. If a minor is found to have opened an account using someone else's identity, all funds in that account will be forfeited.

10
Account Suspension & Termination
Important

A51 reserves the right to temporarily suspend or permanently close an account for any of the following reasons:

  • Providing false or incomplete registration details
  • Operating Multiple Accounts
  • Attempting to abuse bonuses or exploit the system
  • Money laundering or suspicious financial transactions
  • Harassing other users or attempting to damage the platform
  • Exploiting technical vulnerabilities
  • Being under 18 years of age

Upon account closure, any valid balance will be refunded; however, funds derived from bonuses will be forfeited. You may appeal our decision by contacting support.

11
Intellectual Property & Content
Required

The website, app, logo, designs, content, and software of a51 are fully protected under its intellectual property rights. Using, copying, or distributing these without prior permission is strictly prohibited.

  • Unauthorised promotion using the a51 name or logo is strictly prohibited
  • Scraping content from the platform or using bots is strictly prohibited
  • Game results or odds data may not be used for commercial purposes
12
Terms & Conditions — Changes and Updates
Important

A51 reserves the right to update these terms and conditions at any time. For significant changes, we will notify users in advance via email or an in-platform notification.

Continuing to use the platform after any updates will be taken as your acceptance of the revised terms. We recommend checking this page regularly.

Contact: If you have any questions about these terms, please email our support team at: support@a51-baji.com — We reply in Bangla.

FAQ

Frequently Asked Questions about Terms & Conditions

Yes. a51 updates its Terms & Conditions as needed. You will be notified of any significant changes via your registered email or a platform notification. Keep your email up to date and check this page from time to time.

Yes. If wagering requirements are not fulfilled before the bonus expires (generally within 7 days), both the bonus and any associated winnings will be automatically cancelled. Any balance from your own deposit, however, will remain intact.

It depends on the reason for cancellation. If the cancellation is due to a rule violation, any winnings earned from the bonus will be forfeited. However, any remaining valid balance from your own deposit will be returned. Please contact support for further details.

Verification is typically completed within 30 minutes to 24 hours. It may take slightly longer during peak periods. Providing clear images helps speed up the process. Once verified, you will not need to go through the process again.

No. Once a bet is confirmed, it cannot be changed or cancelled. Please carefully review the odds, stake, and match details before placing your bet. If the Cash Out feature is available, partial cancellation may be possible under specific conditions.

To self-exclude, email our support team or let us know via live chat. We will suspend your account for a duration of your choosing — from 24 hours to a permanent closure. Any attempt to open a new account during this period will not be approved.
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