Hi Rama,
Thanks for help …
Now it is working i just changed as below 2 different commands with username and pwd
H:\Desktop\Downloads\bin>mongoexport --db ibm --collection address --query “{“name”: “rommel”}” --host localhost:27017 -u root -p 123 --authenticationDatabase admin --out H:\Desktop\Downloads\hubdwarecords1.json
2022-02-17T23:36:11.567+0530 connected to: mongodb://localhost:27017/
2022-02-17T23:36:11.577+0530 exported 1 record
H:\Desktop\Downloads\bin>mongoexport --host localhost:27017 --db ibm --collection address --query “{“name”: “rommel”}” -u root -p 123 --authenticationDatabase admin --out H:\Desktop\Downloads\hubdwarecords1.json
2022-02-17T23:37:17.802+0530 connected to: mongodb://localhost:27017/
2022-02-17T23:37:17.810+0530 exported 1 record