Just try to fetch double quoted strings from the multiline string:
import re
str="""
"my name is daniel" "mobile 8531111453733"[[[[[[--"i like pandas"
"location chennai"! -asfas"aadhaar du2mmy8969769##69869"
@4343453 "pincode 642002""@mango,@apple,@berry"
"""
print(re.findall(r'["](.*?)["]',str))