// Reference the attachment page and pass in the account ID
    PageReference pdf =  Page.VF_IncidentDetail_PDF3;
    pdf.getParameters().put('id',(String)recId); //
    pdf.setRedirect(true);//false

    // Take the PDF content
    Blob b = pdf.getContent();

    // Create the email attachment
    Messaging.EmailFileAttachment efa = new Messaging.EmailFileAttachment();
    efa.setFileName('attachment.pdf');
    efa.setBody(b);
    addresses = 'spandan@bbb.com';


   // if (account.Contacts[0].Email != null) {}
    addresses += ':' + 'anilkumar.lingaraju@abbvie.com'+':'+'tumpu1985@gmail.com'+':'+'saikat.neogy@cognizant.com' ;
    String[] toAddresses = addresses.split(':', 0);

    // Sets the paramaters of the email
    email.setSubject( 'Incident Details');
    email.setToAddresses( toAddresses );
    email.setPlainTextBody( body );

    email.setFileAttachments(new Messaging.EmailFileAttachment[] {efa});        // Sends the email
    Messaging.SendEmailResult [] r =
        Messaging.sendEmail(new Messaging.SingleEmailMessage[] {email});

    return pdf;
}