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. Time of the call: Peak, Off Peak Descriptive Analysis  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 Destinations Called numbers Service provider/Called DestinationsCount of Mobile numbersSum of Duration (Min:Sec) 3324189090Landline2739 9836031806Vodafone817 9903383201Airtel1015 9051459889Vodafone913 9830048410Vodafone813 9748365880Airtel1011 9830274475Vodafone910

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 PACK50 2GB_3G_Data plan Rental499 Total848 Tax @12.3 %952.3 Usage Details Units Total Local Calls235 STD Calls5 SMS (Local)236 Conference Calls40 Data Usage2.12 GB Recommended Plan  Plan which offers data usage at low cost  Plan which offers free local calls 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) Rental321 ClipNIL Free Data UsageFree 1GB 3G Data ** Monthly Commitment321 Monthly Pack 3G MobileNet 156 Rs.1561 GB0.3P/10KB30 days Plan 1 : Reliance GSM(Post paid ) Total = Rs.536

10. Recommended Plans Monthly Pack 3G MobileNet 448 Rs.448* 2GB Free Data + 300 Talk Time ( Local & STD calls only) 10p/10KB30 days Plan 2: Reliance GSM(Prepaid) Total = Rs.566 SMS Pack11 110 Local & National SMS (Available only in Paper) 79.79 14 SMS @ 5 Paise / SMS 3012.46 39 SMS @ 1 Paise /SMS 3034.71

11. Recommended Plans RentalRs. 249 CLIP (optional)Free Free Minutes500 Local Minutes 3973072 MB3933840 MB30 Days Local SMS pack - Rs 25500 free local SMS Plan 3-Aircel India One 249 Plan Total = Rs.753

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 Short call Duration Sex- Male Most SMS sent on WeekDays Age – (35-50 Yr) Medium to High End Smart Phone Phone Type Profession Working class individual, regular shift, may be executive rank