Hi, Thank you for quick response.

I have tried with "getContentAsPdf".

Now the pdf getiing open successfully. But contents are not getting into pdf, getting blank pdf. I have tried with small trial page it is working properly but in email service it is giving problem(Emplty pdf). Please help me out.

AttachmentPdf
<apex:page Controller="TrialController" action="{!pop}" renderAs="pdf">

<h1>Tracker Details</h1>
<apex:pageBlock >

<apex:pageBlockTable value="{!rtc}" var="item">
<apex:column value="{!item.Submodule__r.Name__c}" width="500"/>

<apex:column value="{!item.Status__c}" width="200"/>
&nbsp;&nbsp;&nbsp;
<apex:column value="{!item.Expected_Finish_Date__c}"/>

</apex:pageBlockTable>
</apex:pageBlock>
</apex:page>



AttachmentPdf controller

public class TrialController {

    public String getStr() {
        return str;
    }


public List<Resource_Tracker__c> rtc {get;set;}
public String str=ApexPages.currentPage().getParameters().get('id');
public void pop()
{
rtc=new List<Resource_Tracker__c>();
rtc=Database.query('select Status__c,name,Resource__r.Employee__r.Name__c,Expected_Finish_Date__c,Submodule__r.Name__c from Resource_Tracker__c where Resource__r.Name=:str order by Submodule__r.Module__c');
System.debug('Size is .............'+rtc.size());
}
}


deliverTrackerAspdf Trial Page


<apex:page controller="sendEmail">
    <apex:messages />
    <apex:pageBlock title="Send an Email to Your  Representatives">
        <p>Fill out the fields below to test how you might send an email to a user.</p>

        <apex:dataTable value="{!rtc}" var="contact" border="1">
            <apex:column >
                <apex:facet name="header">Name</apex:facet>
                {!contact.Name}</apex:column>
            <apex:column >
                <apex:facet name="header">Email</apex:facet>
                {!contact.Resource__r.Employee__r.Name__c}</apex:column>
        </apex:dataTable>
    
        <apex:form ><br/><br/>
            <apex:outputLabel value="Subject" for="Subject"/>: <br/>     
            <apex:inputText value="{!subject}" id="Subject" maxlength="80"/>
            <br/><br/>

            <apex:outputLabel value="Body" for="Body"/>: <br/>     
            <apex:inputTextarea value="{!body}" id="Body" rows="10" cols="80"/>           
            <br/><br/>

        <apex:commandButton value="Send Email" action="{!send}"/> 
        </apex:form>
    </apex:pageBlock>
    </apex:page>


SendEmail Controller

public class sendEmail {
    public String subject { get; set; }
    public String body { get; set; }

    public List<Resource_Tracker__c> rtc{ get; set; }

    // Create a constructor that populates the rtc object 
    
    public sendEmail() {
    String str='R-0889';
        List<Resource_Tracker__c> rtc = Database.query('SELECT Resource_Tracker__c.Name, Resource__r.Employee__r.Name__c FROM Resource_Tracker__c where Resource__r.Name=:str');       
       //                  WHERE Id = :ApexPages.currentPage().getParameters().get('id')];
    }

    public List<Resource_Tracker__c> getrtc() {
        return rtc;
    }

    public PageReference send() {
        // Define the email 
        String str='R-0889';
        Messaging.SingleEmailMessage email = new Messaging.SingleEmailMessage(); 
        Resource__c ab=[select id from Resource__c where Name=:str limit 1];
        // Reference the attachment page and pass in the account ID
        PageReference pdf =  Page.attachmentPDF;
        pdf.getParameters().put('id',str);
        pdf.setRedirect(true);

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

        // Create the email attachment
        Messaging.EmailFileAttachment efa = new Messaging.EmailFileAttachment();
        efa.setFileName('attachment.pdf');
        efa.setBody(b);

        String addresses;
   
     String[] toAddresses = new String[]{'amol_dixit@persistent.co.in'};
        // Sets the paramaters of the email 
    
        email.setSubject( subject );
        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 null;
    }
}

Thank you so much.

Amol Dixit.