CC3220SF-LAUNCHXL: HTTPS Client not receiving full response body

I am trying post request to server.

server actual return response size  4.5kb body.

I checked with postman working fine.

coming to http client not receiving full response data in between missing lots of data.

  Server response log :

{
    "ResponseMetadata": {
        "RequestId": "5f0d95bc-5d0b-11e9-reytfgjj8-6587192e91a3",
        "HTTPStatusCode": 200,
        "HTTPHeaders": {
            "date": "Fri, 12 Apr 2019 10:11:43 GMT",
            "content-type": "application/json",
            "content-length": "3678",
            "connection": "keep-alive",
            "x-amzn-requestid": "5f0d95bc-5d0b-11e9-be88-6587192e91a3",
            "access-control-allow-origin": "*",
            "x-amz-apigw-id": "YBSe4ghgjjytkytkFRow=",
            "x-amzn-trace-id": "Root=1-5cb0645f-dghjtukm7219584dd051d949f"
        },
        "RetryAttempts": 0
    },
    "certificateArn": "hrhrhrthrhrejkrtjreturetyiykityjtyjtjtyytktrtyueuytkfbsdgdfhk",
    "certificateId": "sdggeryeyutjtjkkyulylykjnfdfdhfhfhfghfghgh",
    "certificatePem": "-----BEGIN CERTIFICATE-----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\n-----END CERTIFICATE-----\n",
    "keyPair": {
        "PublicKey": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzDj6esTVOx7ANg1tRo3t\nwBQixeKgFqekqlgs/Q6VQVEgmtEnIxjlk+x25Uu1Uo/vzE2RGTRDjF4s5zS7Aji0\nT52XZvC/GPgk/OImlaRwyb/15lXvS9iqIWSadBJytKmRQyzHsa4MyvrlXCS7Z/6o\nw+9tH/q8921mo0nF4h/0FYKbZWqZUfFR1geltqjuFnuteL9xiaaUbPSdFYMIlcwf\npNPYyj8n/1QyBpV6E29LG64BqUVgeXoHNFE/76juVjSHXJ1e/JimAOizqOszeY7D\nCbEh0XTBGW+41R7zt0i39i/EAH9sCsmuXpq3vqo4whYr1BXYGaCfbmUoYvg+EqMV\nlQIDAQAB\n-----END PUBLIC KEY-----\n",
        "PrivateKey": "-----BEGIN RSA PRIVATE KEY-----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\npkCgSs6/YG7yTkENbx6hHbDb4XwziJ31wYPLE9swGXhbhmyqpL5z\n-----END RSA PRIVATE KEY-----\n"
    }
}

CC3220 Received data :

HTTP Response Status Code: 200

{"ResponseMetadata": {"RequestId": "5f0d95bc-5d0b-11e9-be88-6587192e91a3", "HTTPStatusCode": 200, "HTTPHeaders": {"date": "Fri, 12 Apr 2019 10:11:43 GMT", "content-type": "application/json", "content-length": "3678", "connection": "keep-alive", "x-amzn-requestid": "5f0d95bc-5d0b-11e9ghkjkljhl7192e91a3", "access-control-allow-origin": "*", "x-amz-apigw-id": "YBSegjjFRow=", "x-amzn-trace-id": "Root=1-5cb0645f-daab8da7fgj51d949f"}, "RetryAttempts": 0}, "certificateArn": "wqrwetrhfgjkjhghkyuluiyl;uyillkkykykykytkykkjrrtyryrt", "certificateId": "fghfjghkhjhljklrywertqedgghjkghkjhluiluoluilykyukykk", "certificatePem": "-----BEGIN CERTIFICATE-----\nMIIDWjCCAkKgAwIBAgIVAIwZ2Jf32TlparSM4FtbHkQ5dRQBMA0GCSqGSIb3DQEB\nCwUAME0xSzBJBgNVBAsMQkFtYXpvbiBXZWIgU2VydmljZXMgTz1BbWF6b24uY29t\nIEluYy4gTD1TZWF0dGxlIFNUPVdhc2hpbmd0b24gQz1VUzAeFw0xOTA0MTIxMDA5\nNDNaFw00OTEyMzEyMzU5NTlaMB4xHDAaBgNVBAMME0FXUyBJb1QgQ2VydGlmaWNh\ndGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDw
Y-----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\nCVZt9m8fuHvBGykPPe/hiYR
Received 4150 bytes of payload

Receive Function code :

    do
    {
        ret = HTTPClient_readResponseBody(Http_ClientHandle, data, sizeof(data),    // size of data = 6000 bytes
                                          &moreDataFlag);
        if(ret < 0)
        {
            printError("httpTask: response body processing failed", ret);
        }
        Display_printf(display, 0, 0, "%.*s \r\n",ret,data);
        len += ret;
    }
    while(moreDataFlag);

Why i am not able to get full response ?

What is the issue ?

Vasu