It will require the liberal interpretation of the Implementation Guidelines, Rules & Regulations for the Revised Armed Forces Modernization Act (IGRRP) that it is not considered a prototype.
No major equipment and weapons systems shall be purchased if the same are not being used by the armed forces in the country of origin or used by the armed forces of at least two countries. A later modified version of such equipment or weapons system, or subsystems thereof, provided such modified version is not a prototype, shall be deemed to be the same as the original one for the purpose of this provision and shall qualify for acquisition under the provision of Section 4(b) of Revised AFP Modernization Act.
If the interpretation is such, then the field will consist of number of IFVs with standard off-the-shelf turret options (HITFACT, Cockerill) such as the ASCOD MMBT, K21-105mm, Tulpar Light Tank, CV90-150mm etc. These are all prototypes based on a proven IFV.