Run Backend first, then start Frontend.
git clone https://github.com/RamanKishore08/Googlesheet.git
cd Googlesheet
cd frontend
npm install axios react-chartjs-2 react-router-dom bootstrap react-bootstrap
npm run dev
cd backend
npm install express mongoose body-parser cors
node server.js
Since backend is deployed with low RAM on onrender, So wait for 40- 50 sec get responeses.