Prime Minister Yousaf Raza Gilani on Wednesday directed his newly married son to come back to Pakistan and take part in the investigation of ephedrine case.

Ali Musa Gilani, the son of PM Yousaf Raza Gilani is staying in Johannesburg since April 10 and will come back via Dubai.

According to the PM house sources, PM Gilani had telephonic conversation with his son and advised him to take part in the case investigation.

Premier son was allegedly involved in the in the drug quota scandal but no concrete evidence against him have found uptill now.