Stipend at a dental college varies from college to college . Also depending upon whether its a GDC/ private college/ own university. And which city/ town you're located in which in your case is Bangalore .

The stipend for UG interns is around 10k

Roughly the stipend for PG interns is as follows in government medical college in Bangalore
The stipend is -

1st Year () : 30000

2nd Year () : 35000

3rd Year () : 40000

Hope this helps
Feel free to post your further queries