Any affordable data plan ????

is there any telcos offering affordable data plan due to now days having alots of online test in my college ..bt thn i am using the prepaid and purchasing the data cnt open the webpage also …loading very slow and end up i cnt do my online test ….n d i heard most of my frenz all using broadband ..bt thn its like need to charge all… so is there any suggestion any telco offering any affordable plans thats suits for me n my frenz ??  @@