498A Investigation varied fom Place to place and police to Police;
some police just file Charge sheet without much investigation;
some police when they found no truth in her statement, they call husband and ask money for not to file CS.
most of the time they call husband and refering both of them counselling; if women cell is not there in your area;
if its in women cell, most of the time they try to force you to agree what she says.
Whatever may be the process, be available when they call;
be polite, do not argue;
show you are not guilty.
Record all the conversation if possible; threats / money demand if any.
do not sign anything
Consult good criminal lawyer for legal options or ask us.