Imagine India is missing in picture (5)
I believe the answer is:
image
'imagine' is the definition.
(imaging is a kind of imagining)
'india is missing in picture' is the wordplay.
'india' becomes 'i' (phonetic alphabet: alpha, bravo, charlie etc.).
'is missing in picture' becomes 'mage' (I can't explain this - if you can you should give a lot more credence to this answer).
'i'+'mage'='IMAGE'
Can you help me to learn more?
(Other definitions for image that I've seen before include "Picture (involving one letter change from 10)" , "Simulacrum" , "Representation of person or thing" , "of Kairos with Melchior?" , "Figure (of speech?)" .)