Thanks KK, for your encouragement.
not sure if this is what you want, but this is a closeup on the door :
I realised that i must have squatted too low to take the pix, and hence the falling back of the door. There are many white specks on the door due to the renovation work going on in the church.
in fact, the entire church is under refurbishment, the entire interior was like a construction site.
KK, is there any way to correct such falling back during post processing? i have the same problem with the window which you commented earlier - correct me if i'm wrong -correcting the tilt wont solve the problem cos its more a problem of the angle when i was taking the pix - i was not standing in the right spot to get a good straight on shot.
thanks