In his message on the eve of armed forces flag day, he said they have been serving the nation with great distinction both during war and peace.
"They have consistently displayed the highest standards of professionalism and excellence in every task entrusted to them," Mukherjee said.
"On this occasion, I pay my respect to all those gallant soldiers who made the supreme sacrifice in the line of duty and will remain the pride of the nation.
The President said armed forces have ensured the protection of our territorial integrity, fought the scourge of terrorism and provided succour to fellow citizens in times of natural calamities.