It depends on the Ph.D. program you apply to. Generally speaking you can expect about 2 years of actual coursework. The rest of the time is spent teaching, working on original research, and producing a dissertation. The entire process can take about 5 years.
It's not by day, but by semester. Within the US it is approximately 60 credits total in coursework, and the rest is preparing and defending the dissertation.
There are many of course. They all need many PhD's.
no credits
96 credits
A person is able to transfer to another college to obtain a phd if they have attended TIFR. Many colleges will accept the courses taken here as transfer credits for their phd program.
you need 5 credits
In some cases, master's credits can transfer to a PhD program, but it depends on the specific program and institution. Each program has its own policies regarding credit transfer, so it's important to check with the admissions office of the PhD program you are interested in to see if they accept transfer credits from a master's program.
1600 credits
You need sixty college credits.
100 Credits.
44 credits
42 credits :)