Kamal Siddhee

TEST CERTIFICATE - Cement SSBC REGD. NO. 041909004 & VUDA REGD NO. UDA/PLAN-05/233/2005

Ref.No.: GES/CM/8097/05

Client Name of Work Refrence Material Recd. Batch No.

Date: 29-07-2008

: : : : :

SHREE DIGVIJAY CEMENT CO, LTD., AHEMDABAD Supply for Adani Power Ltd., Mundra Letter Dated : 18.06.08 Kamal Cement 53 Grade OPC 23.06.08

PHYSICAL TESTS SR. NO. 1 2 a b 3 4 5 6 a b c

TEST Consistency (%) Setting Time Initial Setting Time Final Setting Time Fineness by Dry Sieving Soundness, Le'chatlier Fineness by Blaine's A. P. Compressive Strength 3-Days Strength 7-Days Strength 28-Days Strength

RESULT

I.S. REQUIREMENT (I.S. 12269 – 1989)

32.00%

-

142 268 2.40% 1.05 305

Shall not be less than 30 minutes Shall not be more than 600 minutes Residue shall be < 10% Expansion Shall be less than 10mm Shall be more than 225 m2/kg

31.70 42.44 57.06

Shall not be less than 27 N/mm2 Shall not be less than 37 N/mm2 Shall not be less than 53 N/mm2

Conclusion : The sample tested meets with the I.S. Specification with respect to test conducted. NOTE : 1.This certificate / report shall not be published for commercial purpose except in full unless permited for the publication of an approved abstract by the Director, GEO ENGINEERING SERVICES, Adipur. 2.This test certificate applies only to the samples received in the laboratory.

Authorized Signatory 'file:///var/www/apps/pdfcoke/pdfcoke/tmp/scratch9/15371485.xls'#$Kamal

TEST CERTIFICATE - Cement SSBC REGD. NO. 041909004 & VUDA REGD NO. UDA/PLAN-05/233/2005

Ref.No.: GES/CM/8114/06

Client Name of Work Refrence Material Recd.

Date: 04-08-08

: : : :

Simplex Infrastructures Ltd. Simplex Infrastructures Ltd., APL Site, Mundra Nil Ordinary Portland Cement of Sidhee Brand, 53 Grade

PHYSICAL TESTS SR. NO. 1 2 a b 3 4 5 6 a b c

TEST

RESULT

Consistency (%) Setting Time Initial Setting Time Final Setting Time Fineness by Dry Sieving Soundness, Le'chatlier Fineness by Blaine's A. P. Compressive Strength 3-Days Strength 7-Days Strength 28-Days Strength

I.S. REQUIREMENT (I.S. 12269 – 1989)

31.25%

-

137 259 3.00% 1.5 290

Shall not be less than 30 minutes Shall not be more than 600 minutes Residue shall be < 10% Expansion Shall be less than 10mm Shall be more than 225 m2/kg

31.20 41.70 56.07

Shall not be less than 27 N/mm2 Shall not be less than 37 N/mm2 Shall not be less than 53 N/mm2

Conclusion : The sample tested meets with the I.S. Specification with respect to test conducted. NOTE : 1.This certificate / report shall not be published for commercial purpose except in full unless permited for the publication of an approved abstract by the Director, GEO ENGINEERING SERVICES, Adipur. 2.This test certificate applies only to the samples received in the laboratory.

Authorized Signatory 'file:///var/www/apps/pdfcoke/pdfcoke/tmp/scratch9/15371485.xls'#$Sidhee_Physical

TEST CERTIFICATE SSSBE REGD. NO. 041909004 &VUDA REGD. NO. UDA/PLAN-05/233/2005

Ref.No.: GES/CM/8114/06

Client Name of Work Refrence Material Recd.

Date: 10/07/08 : Simplex Infrastructures Ltd. : Simplex Infrastructures Ltd., APL Site, Mundra : Nil : Ordinary Portland Cement of Sidhee Brand, 53 Grade

This is with reference to above we have received the samples of Cement for its Analysis. The tests are carried out and results are as under. CHEMIICAL TESTS SR. NO.

TEST

1

Ratio of percentage of Lime to Silica, Alumina and Iron Oxide

0.81%

Shall be between 0.66 and 1.02

2

Ratio of percentage of Aluminium to Iron Oxide

3.49%

Not less than 0.66

0.82% 2.18% 2.41% 1.62%

Not More than 2% Not more than 6% Not more than 3% Not more than 5%

3 4 5 6

RESULT I.S. REQUIREMENT

Insoluble Residue, % by mass Magnesia, % by mass Total Sulphur Content as SO 3 Loss on Ignition, %

NOTE:

1. This certificate or report shall not be published for commercial purpose, except in full unless permission for the publication of an approved abstract has been obtained from the Proprietor, Geo Engineering Services, Adipur 2. This test certificate applies only to the samples received in the laboratory.

Authorized Signatory 'file:///var/www/apps/pdfcoke/pdfcoke/tmp/scratch9/15371485.xls'#$Sidhee_Chemical