From UI the request obj is going correct but from API end it is not saving... It involves 3 APIs MMU, COMMON and IDENTITY. 

From MMU occupation and occupationID are going fine need to validate this in commonAPI 

url - /beneficiary/update

request - 
{
    "beneficiaryRegID": 8759113,
    "i_bendemographics": {
        "beneficiaryRegID": 8759113,
        "i_beneficiaryeducation": {},
        "occupationID": 4,
        "occupationName": "Student",
        "communityID": 1,
        "communityName": "General",
        "m_community":

{             "communityID": 1,             "communityType": "General"         }

,
        "stateID": 5,
        "stateName": "Assam",
        "m_state":

{             "stateID": 5,             "stateName": "Assam",             "stateCode": "AS",             "countryID": 1         }

,
        "districtID": 37,
        "districtName": "Baksa",
        "m_district":

{             "districtID": 37,             "stateID": 5,             "districtName": "Baksa"         }

,
        "blockID": 534,
        "blockName": "Barama Pt",
        "m_districtblock":

{             "blockID": 534,             "districtID": 37,             "blockName": "Barama Pt",             "stateID": 5         }

,
        "districtBranchID": 24454,
        "districtBranchName": "Agchia",
        "m_districtbranchmapping":

{             "blockID": 534         }

,
        "createdBy": "Jorhatv2RMO",
        "zoneID": 10,
        "zoneName": "zone4",
        "parkingPlaceID": 16,
        "parkingPlaceName": "zone4",
        "servicePointID": "2646",
        "servicePointName": "Katonipar"
    },
    "benPhoneMaps": [
        {
            "benPhMapID": null,
            "benificiaryRegID": 8759113,
            "parentBenRegID": null,
            "benRelationshipID": null,
            "benRelationshipType":

{                 "benRelationshipID": null,                 "benRelationshipType": null             }

,
            "phoneNo": null,
            "vanID": 186,
            "parkingPlaceID": 16,
            "modifiedBy": "Jorhatv2RMO"
        }
    ],
    "beneficiaryID": "783698762350",
    "m_title": {},
    "firstName": "puhi",
    "lastName": "kapoor",
    "genderID": 2,
    "m_gender":

{         "genderID": 2,         "genderName": "Female"     }

,
    "maritalStatus":

{         "status": null     }

,
    "dOB": "2018-07-02T13:29:06.000Z",
    "fatherName": "ram ",
    "changeInSelfDetails": true,
    "changeInAddress": true,
    "changeInContacts": true,
    "changeInIdentities": true,
    "changeInOtherDetails": true,
    "changeInFamilyDetails": true,
    "changeInAssociations": true,
    "is1097": false,
    "createdBy": "Jorhatv2RMO",
    "changeInBankDetails": true,
    "literacyStatus": "Illiterate",
    "motherName": "priya",
    "benImage": null,
    "changeInBenImage": false,
    "occupationId": 4,
    "occupation": "Student",
    "providerServiceMapId": "18",
    "providerServiceMapID": "18",
    "vanID": 186,
    "parkingPlaceID": 16,
    "passToNurse": false
}