Yes you can apply for admission in PHD Pharmaceutics course after passing M. Pharmaceutics course . here I am giving you information about required eligibility to apply for PHD Pharmaceutics course

PHD Pharmaceutics course eligibility :
You have to passed master of Pharmaceutics course from a well recognized university and you must obtaneid a minimum 55% marks in post graduaton .

For admission you have to pass an entrance examination organized by college administration.

Best colleges for PHD are :
Adhiparasakthi College of Pharmacy
Melmaruvathur, Kancheepuram
Chennai, Tamil Nadu
 (044) 27529093
 (044) 27529196

Aditya Bangalore Institute for Pharmacy Education and Research (ABIPER)
Aditya Institutions, No. 12, Kogilu Main Road, Behind Annapoorneshwari Temple, Yelahanka
Bangalore, Karnataka
 (080) 28571292, 28571293, 22792015, 22731843

Babasaheb Bhimrao Ambedkar University (BBAU)  Vidya Vihar, Rai Bareilly Road
Lucknow, Uttar Pradesh
 (0522) 2440822

Babu Banarasi Das University (BBDU)
B.B.D. City, Faizabad Road
Lucknow, Uttar Pradesh
 (0522) 3911000, 2815183, 28151186

Bhupal Nobles College of Pharmacy
Old Station Road, Near Sevashram
Udaipur, Rajasthan
 (0294) 2413182, 2423750

C.L. Baid Metha College of Pharmacy
Jyothi Nagar, IT High Way, Rajiv Gandhi Salai, Thorapakkam
Chennai, Tamil Nadu
 (044) 24960151, 24960425, 24962492

Central Drug Research Institute (CDRI)
Lucknow, Uttar Pradesh
 (0522) 2623286, 2610932, 2612411

Erode College of Pharmacy and Research Institute
Perundurai Main Road, Veppampalayam, Vallipurathampalayam
Erode, Tamil Nadu
 (0424) 2339929, 2339538, 2339539
 9843492100, 9442324397, 9865225323
 (0424) 2339539

Geetanjali Institute of Pharmacy (GIP)
Airport Road, Dabok
Udaipur, Rajasthan
 (0294) 2657534

Geetanjali University (GU)
Hiranmagri Extension, Manwakhera NH.8, Bypass, Near Eklingpura Chouraha
Udaipur, Rajasthan
 (0294) 2500000, 2500006