I think it's a little too soon to decide, we've only seen Pratigya's character for 2 episode's. But personally, till now, I feel that Pratigya's character has more life and personality compared to Purvi's.
pratigya is also nice.... "hr roz koi khuwaab toot jata hai hr roz koi apna rooth jata hai na jane meri qismat main kya hai k jise main yaad kerta hoon woh muje bhool jata hai"