The Narcotics Control Bureau had summoned Bollywood actor Arjun Rampal in Mumbai today for questioning in a drugs case. However, Rampal has communicated to NCB that due to personal reasons he cannot join investigations today and will be at NCB office on December 22. <br /> <br />Earlier, Rampal was questioned by the agency on November 13 for around seven hours. <br /> <br />Watch the report for more.