The All India Services comprises
Civil Services of India, namely the Indian
Administrative Service, the Indian Forest
Service and the Indian Police Service. A
common unique feature of the All India Services
is that the members of these services are
recruited by the Union government, but their
services are placed under various State cadres,
and they have the liability to serve both under
the State and under the Centre.
ভাষা ও ভাষার উৎপত্তি
Plasma Physics (প্লাজমা পদার্থবিদ্যা)
Laser (লেজার)
Quantum materials (কোয়ান্টাম উপকরণ)
Particle physics (কণা পদার্থবিজ্ঞান)
Optics (অপটিক্স এবং ফোটোনিক্স)