Match officials will monitor the conditions before announcing the revised draw time.
The first unofficial test ended in a draw
The two teams head into the second and final unofficial test after the opening match in Galle ended in a draw.
Both sides will aim to end the series on a winning note.
Teams
Sri Lanka U19: Dimantha Mahavithana, Dulnith Sigera, Senuja Wekunagoda, Vimath Dinsara (captain), Kavija Gamage, Chamika Heenatigala, Ramiru Perera, Jason Fernando (goalkeeper), Dimath Abeysinghe, Lathendra Akash, Oshada Manaharath, Viranduharath, Virandu, Vimarindu Akash, Sanuja Ninduwara, Rehan Peiris.
India U19: Lakshya Rajesh Raichandani, Sagar Virk, Kushagra Ojha, Yashbardhan Chauhan (captain), Kush Patel, Manav Krishna (goalkeeper), Kavya Patel, Jeganathan Hemchudeshan, BK Kishore, Priyanshu Singh, Pranav Ragavendra, Rohit Chaudahan, Rohit Chaudahan.