Legal Documents

C3666 Terms and Conditions — Full Details

Please read these terms and conditions carefully before using the c3666 platform. They define the rights and responsibilities of both you and us.

Last Updated: January 2026
Terms & Conditions' Key Points

Be aware of these six important things before opening an account with c3666.

Age Verification — 18+

You must be at least 18 years old to use c3666. Minors are strictly prohibited from creating an account or placing bets.

Payment & Withdrawal Policy

All deposits and withdrawals must be made through our designated payment methods. Identity verification may be required as part of the withdrawal process.

Bonus Usage Terms

Each bonus offer has its own wagering requirements. Please read the relevant terms carefully before accepting any bonus.

Account Security

Each user may register one account only. Keep your password confidential and do not share it with anyone.

Fraud & Manipulation Prohibited

Any form of fraud, use of bots, or system abuse will result in immediate account closure.

Responsible Gaming

C3666 believes in responsible gaming. Deposit limits and self-exclusion options are available whenever you need them.

Section 01

General Terms & Conditions

By accessing or using the c3666 platform, you are considered to have agreed to these terms and conditions. These terms serve as a legally binding agreement between c3666 and its users. If you do not agree with any of these terms, please refrain from using the platform.

C3666's terms and conditions apply to all users — from newly registered members to long-standing bettors. Failure to comply with these terms may result in account suspension or termination by c3666 at any time.

Please Note: These terms are provided in Bengali; however, in the event of a legal dispute, the English version shall be considered definitive.

C3666 is an internationally licensed online betting and gaming platform. We are committed to providing Bangladeshi users with a safe and transparent environment designed specifically for them. These terms and conditions are updated regularly, and any changes take effect as soon as they are published on the platform.

Section 02

Account Registration & Eligibility

To open an account with c3666, you must meet the following eligibility requirements:

  • You must be at least 18 Years must be.
  • You must be located in a country or region where online betting is not legally prohibited.
  • Each individual is only one account you can open.
  • All information provided at registration must be accurate, complete, and up to date.
  • Opening an account under someone else's name or with a false identity is strictly prohibited.

You must provide your mobile number and a valid email address at registration. c3666 may request a copy of your national ID or passport for identity verification at any time. Withdrawal requests may be put on hold until the verification process is completed.

Warning: If multiple accounts belonging to the same individual are found, all accounts will be terminated and any accumulated balance will be forfeited.

It is your responsibility to keep your account password strictly confidential. c3666 will not be held liable for any loss resulting from sharing your login credentials with a third party. If you notice any suspicious activity on your account, please notify our support team immediately.

Section 03

Betting Rules & Market Terms

Before placing a bet on c3666, please read the specific rules for each market carefully. In accordance with c3666's terms and conditions, a bet is considered final only after it has been successfully confirmed.

  • Once a bet is confirmed, it generally cannot be cancelled or changed.
  • If an event is cancelled or left unresolved, the stake for the relevant bet will be refunded.
  • For live betting, odds may change at any time; the odds at the moment of bet confirmation are final.
  • If incorrect odds are displayed due to a technical error, c3666 reserves the right to void the affected bet.
  • Separate terms apply to single bets, multiple bets (accumulators), and system bets.

Each sport — including cricket, football, tennis, and e-sports — has its own betting rules. If a match is abandoned, suspended, or rescheduled, c3666's own resolution policy will apply. Results in virtual sports betting are entirely computer-generated and are not subject to dispute.

Benefits: c3666 offers betting on 10,000+ events every day — both live and pre-match.
Section 04

Payment, Deposit & Withdrawal Policy

C3666 currently supports the following payment methods for Bangladeshi users: bKash, Nagad, Rocket, and bank transfer. All transactions are processed in Bangladeshi Taka (BDT).

  • Minimum Deposit: BDT 500
  • Maximum Deposit: BDT 500,000 per day (may vary by account)
  • Minimum Withdrawal: BDT 1,000
  • Withdrawal processing time: Usually 15–30 minutes, though verification may take up to 24 hours.
  • Withdrawals can only be made using the same method as the original deposit.

Under c3666's terms and conditions, c3666 reserves the right to withhold large withdrawals until the KYC (Know Your Customer) process is completed, in order to prevent money laundering. Funds deposited must be used for betting purposes only — depositing money on behalf of a third party is strictly prohibited.

c3666 does not charge any additional fees on deposits or withdrawals. However, your mobile banking provider may apply their own charges.
Section 05

Bonus & Promotional Offer Terms

C3666 regularly offers a variety of bonuses and promotional offers. It is important to read the relevant terms carefully before accepting any offer. General bonus terms are as follows:

  • To withdraw bonus funds as cash, a specific Wagering Requirements must be met (typically 5x–10x).
  • Bonuses are generally valid for 7–30 days from the date of issue.
  • A second bonus cannot be activated while another bonus is already in use.
  • The welcome bonus is available once only to newly registered members.
  • Reload bonus and cashback offer terms are published separately.
  • If bonus abuse is detected, the bonus will be forfeited and the account will be suspended.

C3666 reserves the right to modify or cancel any bonus offer without prior notice. In any bonus-related dispute, c3666's decision shall be considered final.

Section 06

Prohibited Activities & Conduct

The following activities are strictly prohibited on the c3666 platform and constitute a violation of these terms and conditions:

  • Opening multiple accounts or using another person's account.
  • Placing bets using automated bots, scripts, or any other software.
  • Participating in match fixing or result manipulation.
  • Using the platform for money laundering or any illegal financial activity.
  • Exploiting system bugs or errors to gain an unfair advantage.
  • Attempting to hack, steal data from, or carry out a cyberattack on the platform.
  • Harassing, defrauding, or causing harm to other users.
Consequences: If any of the above activities are proven, the relevant account will be permanently closed, the balance forfeited, and legal action taken if necessary.
Section 07

Privacy & Data Protection

C3666 takes the protection of your personal information very seriously. Your data is collected, stored, and used in accordance with our privacy policy. For more details, please read our Privacy Policy Read the page.

  • Your information is never sold or rented to third parties.
  • Data is analyzed to improve our services and prevent fraud.
  • Information may be required to be disclosed to authorities due to legal obligations.
  • To request a correction or deletion of your data, please contact our support team.

C3666 uses 256-bit SSL encryption to secure all data transmissions. Our servers undergo regular security audits.

Section 08

Account Suspension & Termination Policy

C3666 reserves the right to suspend or terminate an account without prior notice under the following circumstances:

  • Violating these terms and conditions.
  • Providing a false identity or submitting inaccurate information.
  • Failure to pass identity verification.
  • Account has been inactive for an extended period (more than 12 months).
  • By court order or government directive.

Users may request account closure at any time. You will be given the opportunity to withdraw any valid balance before the account is closed, unless the reason for closure is a breach of our rules.

If an inactive account holds a balance, an inactivity fee may apply. Please contact our support team for full details.

Section 09

Limitation of Liability

C3666 accepts no liability for the following:

  • In the event that a bet is lost due to an internet disconnection or technical error.
  • Delays or failures caused by third-party payment providers.
  • Loss or damage resulting from your own negligence or error.
  • Force majeure events such as natural disasters, war, or government-imposed restrictions.
  • Financial losses resulting from betting — gaming always carries risk.
Important: Online betting and gaming carry a risk of financial loss. Never bet more than you can afford to lose.

C3666's total liability shall in no circumstances exceed your total deposits over the preceding three months. For dispute resolution, please contact c3666 customer support first; if unresolved, a complaint may be submitted to the relevant licensing authority.

Section 10

Right to Amend Terms

C3666 reserves the right to change, amend, or update these terms and conditions at any time. A notice will be posted on the platform before any changes take effect.

  • For significant changes, you may be notified by email or SMS.
  • Continued use of the platform after any changes will be considered acceptance of the updated terms.
  • If you object to the revised terms, you will have the option to close your account.
Visit this page regularly for the latest terms and conditions. The date of the most recent update is shown at the top of the page.
Section 11

Responsible Gaming Policy

C3666 believes that betting and gaming are a form of entertainment — not a source of income. That is why responsible gaming is our top priority. The following protective tools are available on our platform:

  • Deposit Limit: Set daily, weekly, or monthly deposit limits.
  • Betting Limits: Control the maximum bet amount within a set time period.
  • Self-Exclusion: Take a break from the platform for a specified period.
  • Reality Check: Receive periodic reminders about your betting session duration.
  • Account history: Review all your betting activity at any time.

If you notice signs of gaming addiction, please reach out to our support team or seek professional help. For more information, please visit our Responsible Gaming View the page.

Please Note: Gaming should be enjoyable. Play within your limits and stay safe.
Section 12

Contact & Support

If you have any questions or need clarification about these terms and conditions, c3666's support team is always ready to help. We are available 24 hours a day, 7 days a week.

  • Email: [email protected]
  • Live Chat: Click the chat icon in the bottom right corner of the platform.
  • Support Hours: 24/7 — Contact us anytime.

After a complaint is submitted, we provide an initial response within 24 business hours. Complex issues may take up to 7 business days to resolve. We are always committed to making your experience on c3666 better.

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