Stamp
Post of India
GODL-India
<a rel="nofollow" class="external free" href="https://colnect.com/en/stamps/stamp/749737-50th_Anniversary_of_INS_Kalvari_-_1st_Indian-built_Submarine-India">https://colnect.com/en/stamps/stamp/749737-50th_Anniversary_of_INS_Kalvari_-_1st_Indian-built_Submarine-India</a>