2011 SIPEX Rock Art at Keelvalai 1000 - 500 B.C. Maritime Heritage of Tamilnadu Special Cover #TNA35

2022 Sanskriti Shasnacharya Golden Jubilee Special Cover (18.01.2022) #SC-97

2003 Rurapex - 1000 Peace for all Special Cover (26.01.2003) #SC-96

2018 India Post Payments Bank Special Cover (01.09.2018) #SC-95

2003 RURAPEX 1000 Plant Many Plants Special Cover (27.01.2003) #SC-93

2011 World Philatelic Exhibition - Environment Day Special Cover (17.02.2011) #SC-92