Thread for Civil Engineering Optional Mains 2019

Guys I am new to this optional. Any leads will be appreciated. Will appear this year only.

Hello everyone I am new to this forum..i am appearing in civils this year with civil engineering as optional..and I need guidance and help..anyone willing to share his/her wisdom can contact me..my WhatsApp no. 9646201080..we can share relevant information about the exam and tips and strategies for mutual benifit

And if someone can please solve the boundary layer question of 2019 mains and upload it.? 

Any review of NEXT IAS's test series for civil engineering optional?