Hey!
These are some of the scholarships which will be useful for you:

• INSPIRE Programme (Rs 80,000/- annually)
• Narotam Sekhsaria Scholarship Programme (Maximum Rs 20 lakhs)
• HDFC Educational Crisis Scholarship Support (Rs 10,000 to Rs 25,000 per annum)
• Kishore Vaigyanik Protsahan Yojana (KVPY) (Rs 5000 per month or Rs 20,000 annual contingency grant for 3 to 5 years to UG level candidates. Postgraduate aspirants are offered scholarship worth Rs 7000 per month or Rs 28,000 annual contingency grant)
• Indira Gandhi Scholarship for Single Girl Child (Rs 2000/- per month for maximum two years)
• Post-Graduate Merit Scholarship for University Rank Holders (Rs 3,100/- per month)
• Women Scientist Scheme (WOS-A) (aspirants are awarded a research grant such that for PhD holders or equivalent candidates the maximum amount granted is Rs 30 lakh and for MSc or equivalent the maximum grant amount is Rs 20 lakh)
• Mathematics Training and Talent Search Programme (MTTS) (The programme is free of cost wherein aspirants are offered travel allowance, certificates and cash prizes).
• Dr K S Krishnan Research Associateship (KSKRA) (Rs 26,000/- per month)
• AcSIR Dr APJ Abdul Kalam Summer Training Programme(Rs 25,000/-)
• IAS Bangalore notifies Summer Research Fellowship 
• IGCAR JRF (Rs 16000/- per month)

Hope it helps!