try using this..you will see in your mail that whether in mail table is created or not
string strBody = "<table border='1' width='500px'><tr><td>Name =</td><td>" + name + "</td></tr><tr><td>Contact No. =</td><td>" + mobile + "</td></tr><tr><td>Email-ID =</td><td>" + email + "</td></tr><tr><td>City =</td><td>" + city + "</td></tr><tr><td>State =</td><td>" + state + "</td></tr><tr><td>Country =</td><td>" + country + "</td></tr><tr><td>Message =</td><td>" + body + "</td></tr></table>";