refusal to marriage

You can do anything your sweet heart desires.

Tell them that you are no more interested in the alliance in plain language.  It may appear to members that you have carried your relationship further and you have apprehension that something might be recorded as available in evidence.  (If you can afford, contact a detective and get entire information on her.  There are hundreds of such instances in several cities, that girls are duping selected innocent gentlemen, lured them, blackmailed them).  Take steps before it is too late.  All this if you have not taken any advantage by making promises over the phone or what's up and you are clean/innocent.

Yes, you cannot be compelled against your informed decision or wishes.

Be calm.     That's all.

Woo !!!!

Great to fell in love in the first dialogue with the girl !!!!

Change your rented accommodation/ station without any information to anyone else God.