There are certain practices that minimize labor, costs, and risks in farming, so you can bring prosperity to yourself and your local community with less than a lakh rupees.
1. Water harvesting will save you from building drip irrigation, and make water available during the dry season. You have to build swales, long trenches along the contour, which will save the water and make it infiltrate underground.
2. Go for mixed type, forest-like cultivation suggested by permaculture folks. Lots of manual labor in plucking the fruits or harvesting grains, but overall efficiency and productivity is high. You don't need to constantly monitor your crops for pests, and live in fear. If one crop fails, you have a different crop growing elswhere on the farm that will thrive. This is better than any farm-related insurance products sold by financial institutions.
3. Sheet mulching will protect moisture in the ground, restore fertility, and reduce or eliminate weeds. Avoid back-breaking compost work, or vermiculture with imported manure worms, and sheet mulch in-place.
4. Use live mulch plants like tur dhal, green gram, black gram, and other plants from the legume family to restore nitrogen to the soil.
5. Use techniques from Zero-budget farming by Palekar to restore beneficial soil microbes. Mulching will also increase fungal populations, whose hyphae will increase soil building, water retention, and improve nutrient uptake by plants. If you have seen huge trees in forests that have sprouted on rocks, you'll understand the beneficial role of soil fungi.
6. Build live fences with trees, use vetiver to prevent soil erosion, ...
As you go on these lines, and begin to understand the role of plants and insects, and the interconnections, you'll realize that many of the so-called unwanted weeds and microbes have useful roles to play, and minimize your work. God did not create unnecessary things, it is just that many of the fertilizer, pesticide and agro-equipment companies have created a cycle of dependency that have reduced the profits for farmers. I'm not suggesting that you totally eliminate modern technology, but most of them should not be required except in the initial stages
Start small, be willing to wait for 3-5 years, observe keenly how things interconnect, and all of a sudden things will connect and flourish. Lay the base of the pyramid, and things will grow automatically on it.
Or you can burn yourself up like software engineers, and end up bug-fixing the system will all the associated expenses.