well you can submit the challan one contact the labour officer, tel rthem that we are contributing the employer share and deducting from employee as well, but we have exceed the acceptable limit for contribution and now we would lik to contribute minmum employer share which is also 12%, there can be no penalty on u. ur exceeding the limit not reduciong it. you dont need to worry. for further clariofications logh on pfindia site and tak the no of regional pf office and talk to an officer they will help u out, they are extremely helpful.. trust me.. i hope this is of use..