If it is still in the stage of Legal Notice, Follow this,
Negotiate with the Bank for Time. The Bank has done that to safeguard its interests in the event of you defaulting as EMI has bounced and legally it has to do so.
Give the Bank Additional Cheques along with an Affidavit stating you will clear their Loans, they may agree.
If you have got Notice from the Court for Appearance, then Consult a Lawyer who can get compromised otherwise Court can issue a Non Bailable Warrant against you.