This document analyzes and summarizes a phone bill. It includes an overview of call details, SMS usage, data usage and usage patterns. It reviews the customer's current plan and provides analysis of call times and frequencies. It then recommends alternative plans from different carriers based on the customer's usage. Finally, it uses the call patterns and times to predict details about the customer, concluding they are likely a working professional with regular daytime hours and some weekend work.

1. Analysing a phone bill
Presented by:
Debayan Dutta(A13006)
Ayan Das(A13005)
Pankaj Kumar Singh(A13010)
Ashish Ranjan(A13004)

2. Agenda
Overview
Descriptive Analysis
Review Of Current Plan
Recommended Plans
Predicting Customer Details

3. Overview
Overview of the Analysis
 Call Details
 SMS
 Data Usage
 Usage Patterns
 Current Plan
 Recommend Alternate Plans
 Predict Customer Demographics
Problems Encountered
 Unorganised Format of the data available
 Mismatch b/w summary and itemised bill
 Unclean data
Pre-processing
Arranged data in same format
Used macro to merge all data usage sheets
to a single sheet
 Tool Used: MS-Excel

4. Descriptive Analysis
Time of the call: Peak, Off Peak
Total Call duration : 235 Minutes
During a day, maximum calls are
made in the evening (3 to 7 pm)
During weekdays, call volumes are
significantly high(76%), lowest on
Saturday

5. Descriptive Analysis
Called Numbers
Called numbers
3324189090
9836031806
9903383201
9051459889
9830048410
9748365880
9830274475
Service provider/Called
Destinations
Landline
Vodafone
Airtel
Vodafone
Vodafone
Airtel
Vodafone
Called Destinations
Count of Mobile numbers
27
8
10
9
8
10
9
Sum of Duration (Min:Sec)
39
17
15
13
13
11
10

6. Descriptive Analysis
SMS Usage Details
False
: Week Days
True
: Week End
Total SMS : 236

7. Descriptive Analysis
DATA USAGE
Maximum Data usage : Weekend (52%)
Peak Time of usage during weekend : 11 am to
12:30 pm
Weekday Peak time Usage : 7 am to 7:30 am
& 9 pm to 9:30 pm

8. Review Of Current Plan
Current Plan
Monthly Rental(Calls)
299
50 SMS PACK
50
2GB_3G_Data plan Rental
499
Total
848
Tax @12.3 %
Recommended Plan
952.3
Usage Details
Units
Total Local Calls
5
SMS (Local)
236
Conference Calls
40
Data Usage
2.12 GB
Plan which offers free local calls at
low cost
235
STD Calls
Plan which offers data usage at low
cost
 Plan with combo plan which can
offer data usage as well as call facilities

9. Recommended Plans
Free SMS(Rs) Local/National * excluding Roaming
500 SMS/month (Local
+ STD)
Free Local Talk Time Worth Rs. * excluding
Roaming
500 mins (Local + STD)
Rental
321
Clip
NIL
Free Data Usage
Free 1GB 3G Data **
Monthly Commitment
321
Monthly
Pack
3G
MobileNet Rs.156
156
1 GB
0.3P/10K
30 days
B
Plan 1 : Reliance GSM(Post paid ) Total = Rs.536

10. Recommended Plans
Monthly Pack
3G
MobileNet
448
Rs.448*
2GB Free
Data + 300
10p/10KB
Talk Time
( Local & STD
calls only)
30 days
11
9.79
14
SMS @ 5
Paise / SMS
30
12.46
39
SMS Pack
110 Local &
National SMS
7
(Available
only in Paper)
SMS @ 1
Paise /SMS
30
34.71
Plan 2: Reliance GSM(Prepaid) Total = Rs.566

11. Recommended Plans
Rental
Rs. 249
CLIP (optional)
Free
Free Minutes
500 Local Minutes
397
3072 MB
Local SMS pack - Rs 25
393
3840 MB
500 free local SMS
Plan 3-Aircel India One 249 Plan
Total = Rs.753
30 Days

12. Prediction of Customer Details
All calls with time
•On reaching office
•Gradual increase from 1PM
•Peak at end of work
•While driving back
•No weekend call after 7PM
•Sometimes weekend work
All Landline calls
•No weekend calls to
landline after 7PM
•The landline is
residence phone

13. Prediction of Customer Details
Profession
•Working class individual,
regular shift, may be
executive rank