Concept selection

Weightage to objectives

Sl.no	Objectives	Weightages
1.	Authentication	7
2.	Storing and dispensing	9
3.	Cost	6
4.	Notification	7
5.	Portability	4

Pugh chart

Objectives	Concept 1	Concept 2	Concept 3	Concept 4
Authentication	0	Datum	0	0
Storing and dispensing	+	Datum	+	+
Cost	+	Datum	-	++
Notification	0	Datum	0	0
Portability	+	Datum	+	++
+Score	19	0	13	29
-Score	0	0	6	0
Total	19	0	7	29

Justification

Concepts	Objectives	Score Given	Justification
Concept 1
	Authentication	0	When compared to datum it is having same weightage.
	Storing and dispensing	+	It is easy to store and dispense.
	Cost	+	It requires much expensive parts.
	Notification	0	When compared to datum it is having same weightage.
	Portability	+	It is easy to carry.
Concept 2
	Authentication	Datum
	Storing and dispensing	Datum
	Cost	Datum
	Notification	Datum
	Portability	Datum
Concept 3
	Authentication	0	When compared to datum it is having same weightage.
	Storing and dispensing	+	It is easier than datum.
	Cost	-	It does not requires costly materials.
	Notification	0	When compared to datum it is having same weightage.
	Portability	+	It is easy to carry.
Concept 4
	Authentication	0	When compared to datum it is having same weightage.
	Storing and dispensing	+	It is simple to store and dispense than all the other alternatives.
	Cost	++	It requires less materials.
	Notification	0	When compared to datum it is having same weightage.
	Portability	++	It is very easy to carry.

Selected design