Hello,
Sarath there is no as such rule of mobile phone not allowed in the university,the only thing you have to follow is to not carry it in classroom or keep it at silent.otherwise you can use your mobile phones.I'm providing the link of the rules brochure of the college ,you may check the link below.I hope it helped
http://www.bsauniv.ac.in/UploadImages/Downloads/Bye_laws_rules_regulations.pdf
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