You can ask for help on OpenMRS Talk (Bahmni category). The team will respond to you there.
If you have a contractual support relationship with any implementation partner, then raise a request with partner's ticketing system.
If you want to contract implementation or support services, see https://www.bahmni.org/partners/.
If the issue that you want to report is a security exploit, please do not disclose the details publicly, since that would tell attackers how to exploit Bahmni servers in the field/production. Please report any security vulnerabilities to firstname.lastname@example.org (private list of long-time Bahmni developers). In the mail, try to provide a description of the issue and ideally a way of reproducing it. The security team will get back to you after assessing the description.
We request you to NOT reach out to individuals via Skype/Chat for any help. Please raise a request on OpenMRS Talk, or use the other channels, and we will respond to you ASAP. Logging via community channels help us track requests, and helps in quicker resolution in future for people struggling with similar issues.