Click on the link against each Indian Standards for list of BIS recognised labs for CRS
| Sl. No. | Indian Standard number ( IS No.) | Approved Lab for testing |
| 1 | IS 302-2-25 : 2014 | Click here for list |
| 2 | IS 302-2-26 : 2014 | Click here for list |
| 3 | IS 616 : 2010 | Click here for list |
| 4 | IS 10322(Part 5/ Section 1) : 2012 | Click here for list |
| 5 | IS 13252 (Part 1) : 2010 | Click here for list |
| 6 | IS 15885 (Part 2/Section 13) : 2012 | Click here for list |
| 7 | IS 16102 (Part 1) : 2012 | Click here for list |
| 8 | IS 16046 : 2012 | Click here for list |
| 9 | IS 16242 (Part 1) : 2014 | Click here for list |
| 10 | IS 16333 (Part 3) : 2016 | Click here for list |
| 11 | IS 10322 (Part 5/Section 2) : 2012. | Click here for list |
| 12 | IS 10322 (Part 5/Section 3) : 2012. | Click here for list |
| 13 | IS 10322 (Part 5/Section 5) : 2013. | Click here for list |
| 14 | IS 10322 (Part 5/Section 6) : 2013. | Click here for list |
| 15 | IS 10322 (Part 5/Section 7) : 2013. | Click here for list |
| 15 | IS 10322 (Part 5/Section 8) : 2013. | Click here for list |
| 16 | IS 302-1 : 2008. | Click here for list |
| 17 | IS 14286 : 2010 | Click here for list |
| 18 | IS 16077 : 2013 | Click here for list |
| 19 | IS/IEC 61730 (Part 1) : 2004 | Click here for list |
| 20 | IS/IEC 61730 (Part 2) : 2004 | Click here for list |
| 21 | IS 16221 (Part 2) : 2016 | Click here for list |
| 22 | IS 16169 : 2013 | Click here for list |
| 23 | IS 16270 : 2014 | Click here for list |
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