@udaypette just let the agent deduct the money and move on. Refer to GG`s comment above which really captures it all.
Most tenancy agreement provide that you not only re-paint the house but also leave it in a state in which you found it. It is not uncommon for landlords to at times do all manner of `repairs` and deduct it from the deposit or even ask you to top it up.
He who can express in words the ardour of his love, has but little love to express. - Petrach, Son. (That men by various ways arrive at the same end. - Montaigne, The Essays of.)