for two prototypes:
cost breakdown:
for PCB design: 500/each(obtained from gerber file)
assembly with components: 750/each prototype
fabrication and enclosure packaging: 200/prototype

Hence, for two prototypes the cost of making is 2900 Indian Rupees
for one prototype the cost of making is 1450 Indian Rupees

google spreadsheet for BOM:  https://docs.google.com/spreadsheets/d/1kF7-PFQHJCJ4uQC5GNtKJloRPDW06HF_huKzY0u_ZHQ/edit?usp=sharing