some suggestion

example/linux/systemd/talawa-api.service

@@ -9,9 +9,6 @@ After=network.target
 # The type of service. 'simple' means the service will start immediately.
 Type=simple
 
-# Define the project directory directly in the service file
-Environment="TALAWA_API_HOME=/path/to/your/talawa-api"
-
 # The command to start the service. This points to the Talawa-api.sh script.Here you can't use TALAWA_API_HOME from shell (~/.bashrc) as systemd will not load any variable. That's why we have to manually add it.
 ExecStart="${TALAWA_API_HOME}/example/linux/systemd/Talawa-api.sh"