Rotten tomatoes

Dear Members,

I have planted tomato in 1/2 acre. The problem I am getting is tomato being rotten early stage before being ripen. I applied Bevisten and Mancozeb, but there is not change in quality. Please give me some solution so that I can save these.

Thanks in advance.

what type of rotting is there?

any pic will be helpful, without that its hard to comment of the problem

you can try these.
seka of gomutra.
or seka of naramutra.