Are there personal bathroom in IIIT Allahabad Hostel?

No, there are no personal bathrooms available in the hostels of IIIT Allahabad for both boys and girls. However, research scholars do have their own bathrooms. Here is how the bathroom facilities at IIIT Allahabad hostels are

• A single floor in a boys' hostel has 4 corridors with 10 rooms each. Since the rooms are shared, around 20 single and 20 double rooms totaling 60–80 people on a single floor. A single floor has 4 large bathrooms on each corner. 
• A typical bathroom has 4 showers, 3 wash basins, 3 Indian toilets, 1 western toilet, and 3 urinals. In all, there are 16 showers, 12 wash basins, 12 Indian toilets, 4 western toilets, and 12 urinals on a single floor that is used by 80 people.
• The ratio is approximately 1:5 (showers), 1:7 (basins), 1:5 (toilets), 1:7 (urinals). 

Hope this helps you!