The english A lvl's with Physics and maths as a subjects will be the equ'vlnt..... You will have to bring your certificates to india. There is an organisation(Which one...? i dont know... Ind HC might help you in that) that will isue you a certificate in india that will say that you have cleared the eqvlnt exams and should be considered as 10+2 pass.that certificate needs to go into dgca.