Can you suggest me the names of some good Diploma level Food Technology courses level in different institutes in India???

Here I am suggesting you the names of some good Diploma level Food Technology courses level in different institutes in India:

Diploma in Food and Nutrition
Diploma Course In Food Science and Quality Control
Diploma in Nutrition and Food Technology

Following are some good colleges to pursue these courses:

E.M.G.Yadava Womens College
Tiruppalai
Madurai, Tamil Nadu
(0452) 2681247

Haryana Medical Institute
31, Model Town, Near Chawla Nursing Home, Dabra Chowk
Hisar, Haryana
9812067700, 9034075700

Nalanda School of Management College
315, Murli Bhawan, Ashok Marg, Opposite D.R.M. Office
Lucknow, Uttar Pradesh
(0522) 4048118
8687112519

Rajiv Gandhi Paramedical Institute (RGPI)
A-34, Uttam Nager, Near East Metro Station,
New Delhi, Delhi
(011) 28561494, 49523324
9873727438, 8802808900