These Kamdev mantras were found in 'Mantra Mahodadhi' scripture, a book which contains many mantras I have posted it in scripture column.
“Namo’stu pushbanay jagadanandakarine
Manmathaya jagannetra-rati-priti-pradayine”
“devadeva jagannatha vanchit-artha-pradayaka
Krtsnam puraya metv-artham Kaman kamashvaripriya”
“Namo’stu pushbanay jagadanandakarine
Manmathaya jagannetra-rati-priti-pradayine”
“devadeva jagannatha vanchit-artha-pradayaka
Krtsnam puraya metv-artham Kaman kamashvaripriya”