Rajveer Naina-Rebirth of love

Rajveer and Naina. couple made in heaven. They stuck with each other through thick and thin. They laughed with each other, but their life and love had more tears than laughter. They trusted each other with their life. They loved each other more than themself. They were ready to give their life to each other, and one day Rajveer did give his life for Naina, for her mission, for her respect and for her honor. He gave his life for his love, yet he never got the chance to express his love to her.
After her great bravery she starts to receive letters and is convinced it is by Rajveer , therefore she and the rest of the cadet set out to help Rajveer.
LEFT RIGHT LEFT FANFICTION. DO NOT HAVE TO HAVE WATCHED LEFT RIGHT LEFT TO UNDERSTAND.