Satyam Computer Services Ltd. Satyam School of Leadership Tigris, C Wing, Plot # 22 to 25 & 27 to 34 Hitech City, Madhapur Hyderabad – 500 081 Andhra Pradesh, India Tel: +91 40 3072 8926 Fax: +91 40 6683 3040

Registered Office: Infocity, Unit-12, Plot No. 35 & 36, Hitech City Layout, Madhapur, Hyderabad 500 081, AP, India Tel: +91 40 3063 6363 Fax: +91 40 6683 3040

January 16, 2012 HR/2012/51665

TO WHOMSOEVER IT MAY CONCERN

This letter is to confirm that Mr. VIKAS RANJAN was previously employed with Satyam Computer

Services Ltd., as Systems Analyst. He has joined our operations from October 09, 2006 to September 22,

2009 as a full time employee for approximately 40 hours per week .

His work experience with us includes:

Worked as a Systems Analyst on enhancements & Business AS Usual (BAU) support for Data warehousing applications at OPTUS Systems Pty ltd using various BI Tools like Teradata and Mercury Test Director.

Worked in Data Warehousing and Business Intelligence domain.

Configuration Management for Development, QA and production servers.

Provide application support by investigating problems and attending to Client requests and Perform RCA (Root Cause Analysis) and provide technical solutions and fixes.

Team Member for Analysis, Designing, Coding, Implementation and customising existing Software, Testing & Defect Fixing Systems and Reports Designing.

Perform reorganization of database objects & tuning of databases which involves tuning of Application, SQL, memory structures, database and server as and when required.

Worked in BI database like Teradata and its utilities for various IT projects.

Review Test plans, execute the test cases and Implement the code changes.

Participates in client requirement analysis, business and technical process analysis, translated

into technical solutions for business problems.

He was also got trained in ETL tools like Informatica and Datastage.

Coordination of the review, presentation and release of design layouts, drawings, analysis and

other documentation; Escalation of issues that cannot be resolved by the team.

He was also trained in the Quality management as part of the company standards.

Should you require any additional information, please contact the undersigned at +91-040-30728926.

Sincerely,

SANDEEP G HUMAN RESOURCES