Hey aspirant, I hope you are doing good, yes you can give Net exam. The eligibility for Net is  candidate have to secured at least 55 percent in masters degree or equivalent examination from university or institutions recognised by UGC. You can also eligible for net in second year of your msc degree. , while for reserved category minimum percentage is 50 %.you can apply both for ugc junior research fellow and for lectureship or can apply for one. If you have msc in life science or physical science then you can apply for CSIR net. Kindly mention your subject of M. Sc also for proper information.