Who among the following has/have developed a touch-sensitive, tactile, haptic watch that can help visually impaired people learn what time it is by touching the face?

Who among the following has/have developed a touch-sensitive, tactile,

1.	Who among the following has/have developed a touch-sensitive, tactile, haptic watch that can help visually impaired people learn what time it is by touching the face?
A.	Siddhartha Panda
B.	Vishwaraj Srivastava
C.	Diptarka Das
D.	Both 1 and 2
E.	All 1, 2 and 3
Answer» E. All 1, 2 and 3