Substantially responsive bid has been explained in clause 25.2. The bid submitted by petitioner cannot be said to be non-responsive merely on account of mentioning of G-1 in the bar chart, as it does not amount to material deviation or reservation, as it will not affect in any substantial way the scope, quality and performance of the work. In the bar chart, bidders were required to indicate the timeline for different activities to ensure that different activities in the project are completed as per the time schedule indicated in the bar chart, therefore, merely by mentioning G-1 in the bar chart, petitioner’s bid will not become substantially nonresponsive. As stated earlier, G-1, G-2 and G-3 denote stone grit aggregate of different sizes and it is not that G-1 is never used in road construction. The objection of the employer is that G-1 is not to be used in upgradation of road. A material is used in construction activity as per requirement and it is nobody’s case that petitioner will use G-1, even if, it is not required or warranted. This Court finds substance in the submission made by learned counsel for the petitioner that G-1 is integral part of the material used for construction of WBM Road, therefore, as a matter of abundant caution, petitioner had mentioned G-1 in the bar chart, but it does not mean that petitioner will use G-1, even if not required. As stated earlier, purpose of bar chart is to indicate the start date and completion date of different activities. Thus, bar chart is meant for scheduling different activities in the project. There is no condition in the tender document/Instruction to Bidders that only such material has to be mentioned in the bar chart, which is actually to be used in the project. Thus, in the absence of any guidelines in the tender