| S. No. | Title | Sponsoring Agency | Period |
| 1 | Traffic study and traffic management plan for the expansion and development project of Calcom Cement India Ltd | Calcom Cement India Ltd | Aug 2008 to Dec. 2008 |
| 2 | Proof check of Pavement Design | M/s Ramkey Infrastructures Ltd | June 2011 to Oct 2011 |
| 3 | Proof check of Plan and Profile | M/s Ramkey Infrastructures Ltd. | June 2011 to May 2011 |
| 4 | Proof checking of Road Alignment | Shillong Expressway Pvt. Ltd. | March 2011 to May 2011 |
| 5 | Pre-opening Safety audit of Shillong Bypass Connecting NH-40 and NH-44 | National Highways Authority of India | Nov 2012 to April 2013 |
| 6 | Safety audit for grade separator at Barapani | Jorabat Shillong Expressway Limited (JSEL) | Sept to Nov 2014 |
| 7 | Riding quality test of all lanes of the carriage way of Jorabat-Shillong (Barapani) section | Jorabat Shillong Expressway Limited (JSEL) | April to June 2015 |