Overseas investors have pumped in a staggering over Rs. one lakh crore into the Indian debt market since the beginning of the year, primarily on account of government's reform agenda.As per the latest data, foreign investors have purchased debt securities worth over Rs. 2.82 lakh crore in this year so far, while they off-loaded bonds to the tune of nearly Rs. 1.65 lakh crore during the same period.According to market experts, improved fundamentals of the Indian economy, a decisive mandate to the BJP-led NDA at the Centre, various reform measures announced by the government and high interest rate have caught the fancy of overseas investors. In 2013, foreign investors had pulled out a net amount of Rs. 50,848 crore from the country's bond market.