up to this point in time

इस समय तक

English Usage: I haven't received any news so far.

Hindi Usage: मुझे इस समय तक कोई समाचार नहीं मिला।

therefore; as a result

इसलिए

English Usage: It was raining, so we stayed indoors.

Hindi Usage: बारिश हो रही थी, इसलिए हम अंदर रहे।