Approval.ProcessSubmitRequest[] lRequests = New Approval.ProcessSubmitRequest[]{};
  for(Project_Coverage_Team_Member__c objPCTMember: lstRecords)
   {
      Approval.ProcessSubmitRequest req1 = new Approval.ProcessSubmitRequest();
      req1.setComments('Submitting request for approval.');
      req1.setObjectId(objPCTMember.Id);
      lRequests.add(req1);
    }
    Approval.ProcessResult[] results =Approval.process(lRequests);

try{
    insert lstRecords;
    Approval.ProcessSubmitRequest[] lRequests = New Approval.ProcessSubmitRequest[]{};
    for(Project_Coverage_Team_Member__c objPCTMember: lstRecords)
    {
        Approval.ProcessSubmitRequest req1 = new Approval.ProcessSubmitRequest();
        req1.setComments('Submitting request for approval.');
        req1.setObjectId(objPCTMember.Id);
        lRequests.add(req1);
    }
    Approval.ProcessResult[] results =Approval.process(lRequests);
}
catch(exception ex){
    system.debug('==========='+ex.getMessage());
}