7. Project Cost Related Assumptions Rs Crs Remarks Base EPC Cost 80 Quote from EPC Contractor Price Escalation 5.08 As per calculations Estimated EPC Cost 85.08 Contingency 5% 4.25 As % of Estimated EPC Cost Total EPC Cost 89.34 Preliminary Expenses 1% 0.45 As % of Total EPC Cost Pre-operative Expenses 16.67 Total Pre-op Expenses as detailed below Establishment Expenses 1% 0.89 As % of Total EPC Cost IE/IA Cost 1% 0.89 As % of Total EPC Cost R&R Cost 33.14 3.31 Based on EIA Report Legal Charges 1% 0.54 As % of Total Project Cost Financing Charges 2% 1.45 As % of Debt Mobilised Interest During Construction 9.58 As per calculations Debt Service Reserve- 3 months 2.17 As per calculations Total Project Cost 108.63

8. Details of Capital Structure Rs Crs Debt 72.42 Equity 36.21 Promoters 51% 18.47 Strategic Investors 49% 17.74 Upfront Equity 50% Upfront Equity 18.11 Balance Equity 18.11 Interest 12% Tenor 12 Moratorium 2 Repayment 40 quarterly installments

9. Collection Of Fee Toll Charges Bangalore bypass : (Full rates) Toll (Rs) Multi-axle vehicles / other heavy construction equipment 90 Trucks 60 Buses 60 LCVs 30 Car / Jeep / Van 20

12. Traffic Related Assumptions Base Date 31st March 2010 for toll rates 2006 Unit PCU No. of Vehicles per day base growth rates Car/Jeep 1 2250 6.50% LCV/Van 1.5 750 5.75% Trucks 3 2200 6.25% Buses 3 1250 6.00% MAV 4.5 450 5.00% PCUs 15750 Traffic Growth Rates From Year ending 31st March 2011 2016 2021 2026 2031 2036 To Year ending 31st March 2015 2020 2025 2030 2035 2045 Car/Jeep 6.50% 5.85% 5.27% 4.74% 4.26% 3.84% LCV/Van 5.75% 5.18% 4.66% 4.19% 3.77% 3.40% Trucks 6.25% 5.63% 5.06% 4.56% 4.10% 3.69% Buses 6.00% 5.40% 4.86% 4.37% 3.94% 3.54% MAV 5.00% 4.50% 4.05% 3.65% 3.28% 2.95%

13. Traffic Growth Rates From Year ending 31st March 2011 2016 2021 2026 2031 2036 To Year ending 31st March 2015 2020 2025 2030 2035 2045 Car/Jeep 6.50% 5.85% 5.27% 4.74% 4.26% 3.84% LCV/Van 5.75% 5.18% 4.66% 4.19% 3.77% 3.40% Trucks 6.25% 5.63% 5.06% 4.56% 4.10% 3.69% Buses 6.00% 5.40% 4.86% 4.37% 3.94% 3.54% MAV 5.00% 4.50% 4.05% 3.65% 3.28% 2.95%

14. Key Dates & Time Schedules Date of Concession Agreement 01-04-10 Date of EPC Contract 01-10-10 Date of O&M Contract 01-10-10 Commencement Date (CD) as per EPC Contract 01-12-10 Completion Date as per Concession Agreement (SCOD) 2.50 Completion Date as projected (SCOD) 2.50 Commercial Operations Date (SCOD) 01-06-13 Concession Period 30 End of Concession Period 30-11-40 Days of Operation for toll revenues in a full year 350