A person earning ₹30,000/month can save between ₹5,000 and ₹15,000 monthly, depending on how frugally they live, NDTVProfit reported. To become a lakhpati in 1 year, a monthly SIP of ₹8,000 and above at 10% expected rate of return will build a corpus of over ₹1 lakh. Meanwhile, a ₹7,000 monthly SIP would make a total corpus of ₹88,692.