Arohi's Badi Maa

I have few questions..... if some1 cn help me with them

1. How come no 1 in Arohi's family knows tht Badi Maa is Mr. Punj's Wife ??????😕

2. Arohi always talks to her Badi Maa bout Arjun.😛..so y doesnt Badi Maa tell her tht its her son ?????😕

3. Yesterdays epi showed Badi Maa's Photo in Arohi's house......so today in engagement y hasnt any1 noticed tht ???????????😕😕

4. Y does Badi Maa always makes excuses to come to Arohi's house....even though she is in the same town..😲.....Y does she meet them every summer (Or sum thing like tht)....y so specific period....?????😲😕

Please help me with these questions if you can......

Thanx

Princy..😳