If getting out of Mumbai means Lonavala and Khandala for you, then read no further. Not that Lonavala and Khandala aren’t beautiful. They are indeed. But then, let us grow up. Here are five weekend monsoon getaways from Mumbai. 1. Go beyond Malshej Ghat. Malshejghat is a regular and hugely popular monsoon weekend getaway. Misty mountains and unlimited waterfalls. An MTDC resort facing the valley. Most people from Mumbai travel to Malshejghat via Kalyan for a day trip or a weekend trip. Here is another alternative: Hit the Mumbai–Pune expressway and take a left at Wadgaon to Chakan and then…