How to fetch the lists the members of the current conversation using Cloud adapter in Chatbot

Lakshmi_145 -You can try with the below code snippets.
Sample link-Microsoft-Teams-Samples/TeamsConversationBot.cs at 6d681dbf8133921172adf3d6aa03843ab09715ce · OfficeDev/Microsoft-Teams-Samples (github.com)

var members = await GetPagedMembers(turnContext, cancellationToken);

            foreach (var teamMember in members)
            {
                var proactiveMessage = MessageFactory.Text($"Hello {teamMember.GivenName} {teamMember.Surname}. I'm a Teams conversation bot.");

                var conversationParameters = new ConversationParameters
                {
                    IsGroup = false,
                    Bot = turnContext.Activity.Recipient,
                    Members = new ChannelAccount[] { teamMember },
                    TenantId = turnContext.Activity.Conversation.TenantId,
                };

                await ((CloudAdapter)turnContext.Adapter).CreateConversationAsync(
                    credentials.MicrosoftAppId,
                    teamsChannelId,
                    serviceUrl,
                    credentials.OAuthScope,
                    conversationParameters,
                    async (t1, c1) =>
                    {
                        conversationReference = t1.Activity.GetConversationReference();
                        await ((CloudAdapter)turnContext.Adapter).ContinueConversationAsync(
                            _appId,
                            conversationReference,
                            async (t2, c2) =>
                            {
                                await t2.SendActivityAsync(proactiveMessage, c2);
                            },
                            cancellationToken);
                    },
                    cancellationToken);
            }

            await turnContext.SendActivityAsync(MessageFactory.Text("All messages have been sent."), cancellationToken);