Hey  Saurav,

Sir JJ College offers BArch course according to the candidates merit score which can be calculated by NATA score and 12th percentage

To get admission in this college you must have merit score near 150

Your merit score become to be

Merit score = ( NATA score)/2 + 12th %

= 80 + 70 = 150

You atleast have to score 160/200 to get admission in SIR JJ COLLEGE OF ARCHITECTURE as your 10+2 percentage is not so well