Can I pursue BA LLB and LLM at the same time?

No, you have to complete LLB (Bachelor of Legislative Law) and, then LLM (Master of Legislative Law). LLM is the higher degree than LLB.

LLM is to be done after BA LLB, this is because, LLB is undergraduate program while LLM is a Master's degree.

No, LLM is a Masters course which is done after completing your graduation. So, first you do BA+LLB and then you can do LLM. Top colleges for pursuing law are: University, Bangalore (http://www.nls.ac.in) UPES, Dehradun (UPES- Asia's first core sector university (http://www.upes.ac.in) - This colle

No. It could have been possible if you were pursuing BA LLB through distance. According to me, you should pursue one course at a time to score good marks.