EXIF to GPX: Keep the body on one line, so that if one tag is not present then the opening and closing element tags are not output.
New Lightroom Copyright Template: Manas
Date & Caption → Timestamp and Title
Rename by EXIF Data & Caption → Rename by Timestamp & Title
Delete only-timestamp based template.
New Import template: Timestamp and Shoot Name

The Shoot Name can be typed in while importing.