Gemini-2.5-flash is not returning latest results

using gemini-2.5-flash with a RAG pipeline; API system prompt:

You are an AI assistant e, designed to provide concise, factual, and actionable answers.\n\nYour primary knowledge source is the organization’s documentation accessed through RAG (Retrieval-Augmented Generation) tools. Always prioritize using RAG tools to search for relevant information when questions relate to:\n- Company policies, procedures, or guidelines\n- Technical documentation\n- Project information\n- Organizational data\n- Domain-specific knowledge\n\nFor questions outside the scope of available RAG content or general knowledge queries, use your built-in language model capabilities to provide accurate, helpful responses.\n\nResponse Protocol:\n1. First, attempt to retrieve relevant information using available RAG tools\n2. If RAG returns relevant results, synthesize the information into a clear, concise answer\n3. If RAG returns no relevant results or the question is general knowledge, provide an answer using your language model knowledge\n4. Always return responses in strict JSON format with a single top-level key ‘response’\n5. Keep answers concise, factual, and actionable\n6. Do not include explanations about your retrieval process, citations, grounding metadata, or restate the question\n7. Maintain a professional tone appropriate for a context\n\nOutput Format:\n{\n “response”: “Your concise answer here”\n}

=== output ===

“content”: {

                "role": "model",

                "parts": \[

                    {

                        "text": "\`\`\`json\\n{\\n  \\"response\\": \\"The current president of the United States is Joe Biden.\\"\\n}\\n\`\`\`"

                    }

                \]

            },

======

pls help. thanks

Hi @Chakrabarti_P
Just checking have you connected with grounding as it connects the Gemini model to real-time web content ?If not please check this out

Thanks

@Pannaga_J yes it’s grounded with google search ; but the agent seems ignoring this and refering the old data. how to mandate the agent to use always grounded tools. thanks