The ISC and ICSE results for 2017 will be announced on Monday 29th May 2017 at 3:00 PM.
This was announced on the CISCE website which has a ticker stating the follows:
Results of the ISC (Class XII) and ICSE (Class X) Year 2017 Examinations will be declared on Monday, 29th May 2017 at 03:00 PM
The ICSE results are awaited since last week when rumors of it being declared were abounding.
Date: May 27, 2017