Get Jaspal sir's notes from this link:
https://unacademy.com/content/gate/pdf-notes-of-rcc-marathon-by-jaspal-singh/
https://unacademy.com/content/gate/pdf-notes-of-soil-mechanics-marathon-by-jaspal-singh/
https://unacademy.com/content/gate/pdf-notes-of-bmc-marathon-by-jaspal-singh/
https://unacademy.com/content/gate/pdf-notes-of-irrigation-engineering-marathon-by-jaspal-singh/
https://unacademy.com/content/gate/pdf-notes-of-highway-chapter-1-and-2-marathon-by-jaspal-singh/
