Tollywood actor Navdeep to appear before Excise SIT officers on Monday, for questioning in the drugs case. The SIT will ask inquiries about his links with Kelvin, who is key accused in the drugs case. The SIT will also probe whether Navdeep was connected to the supply of drugs to others. Navdeep was caught in drunk and drive case by traffic police in the past. Tollywood heroine Charmi will come before the SIT on July 26, Mumaith Khan on 27 and hero Ravi Teja on July 28.