Some may not be aware that the mushaf itself has hints for indicating idgham (ادغام) and ikhfa’ (اخفاء).
The first tanwin kasra ً is parallel, whereas the second one is crooked, indicating idgham.
The first and third tanwin dhamma ٌ is a double loop indicating idgham, whereas the second is a single loop with a line over it.
Halaqa 