if you have budget then better to go lenskart offline stores and select try frame as you like then order with app to get payment offers..
better to have lenskart gold as you can get 2 specs ( more affordable than purchasing only one) at the prime of one spec with some extra taxes..
if you want something more in budget then try eyemyeye website, only drawback is less options and not much good looking frames.. but you can get two specs with quality bluecut lenses with too low price (really affordable after apply coupan codes).. frame quality is not so great still worth the price..
for offline local shops only drawback is that they are too costly