Pic 10/11. Croton
Pic 9 Money Plant
Pic 8 Coleus
Pic 7 Yucca
Pic 6 i think Euphorbia Milli
Pic 5 Alpinia
Pic 4 I think is a Ficus
Pic 3 is Elephant's Ear Plant
ASA,
Picture A is something new
Picture B is Gardenia. Take good care of this plant and it reward you with one of most fragrant white flowers in the world.
Picture C is so called Chinese croton. Just a note of caution: Allegedly, plants from this category i.e. genus can cause temporary eye blindness but please verify before you decide to throw away this plant ...
picture no 1 i think Erythrina crista-galli..although i am not sure please confirm your plant with images of Erythrina crista-galli.
@pic no 2 farooq bhai are you sure it is gardenia i am in doubt that it is Tabernaemontana (channana) just an idea.